20719308800

素因数分解:

$2^{12}\times 5^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1$

素因数の和:233

約数の個数: 312

約数和(自身を含む): 54408160512

約数和(自身を除く): 33688851712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 61, 62, 64, 80, 100, 107, 122, 124, 128, 155, 160, 200, 214, 244, 248, 256, 305, 310, 320, 400, 428, 488, 496, 512, 535, 610, 620, 640, 775, 800, 856, 976, 992, 1024, 1070, 1220, 1240, 1280, 1525, 1550, 1600, 1712, 1891, 1952, 1984, 2048, 2140, 2440, 2480, 2560, 2675, 3050, 3100, 3200, 3317, 3424, 3782, 3904, 3968, 4096, 4280, 4880, 4960, 5120, 5350, 6100, 6200, 6400, 6527, 6634, 6848, 7564, 7808, 7936, 8560, 9455, 9760, 9920, 10240, 10700, 12200, 12400, 12800, 13054, 13268, 13696, 15128, 15616, 15872, 16585, 17120, 18910, 19520, 19840, 20480, 21400, 24400, 24800, 25600, 26108, 26536, 27392, 30256, 31232, 31744, 32635, 33170, 34240, 37820, 39040, 39680, 42800, 47275, 48800, 49600, 51200, 52216, 53072, 54784, 60512, 62464, 63488, 65270, 66340, 68480, 75640, 78080, 79360, 82925, 85600, 94550, 97600, 99200, 102400, 104432, 106144, 109568, 121024, 124928, 126976, 130540, 132680, 136960, 151280, 156160, 158720, 163175, 165850, 171200, 189100, 195200, 198400, 202337, 208864, 212288, 219136, 242048, 249856, 261080, 265360, 273920, 302560, 312320, 317440, 326350, 331700, 342400, 378200, 390400, 396800, 404674, 417728, 424576, 438272, 484096, 522160, 530720, 547840, 605120, 624640, 634880, 652700, 663400, 684800, 756400, 780800, 793600, 809348, 835456, 849152, 968192, 1011685, 1044320, 1061440, 1095680, 1210240, 1249280, 1305400, 1326800, 1369600, 1512800, 1561600, 1587200, 1618696, 1670912, 1698304, 1936384, 2023370, 2088640, 2122880, 2191360, 2420480, 2610800, 2653600, 2739200, 3025600, 3123200, 3174400, 3237392, 3341824, 3396608, 3872768, 4046740, 4177280, 4245760, 4840960, 5058425, 5221600, 5307200, 5478400, 6051200, 6246400, 6474784, 6683648, 6793216, 7745536, 8093480, 8354560, 8491520, 9681920, 10116850, 10443200, 10614400, 10956800, 12102400, 12949568, 13367296, 13586432, 16186960, 16709120, 16983040, 19363840, 20233700, 20886400, 21228800, 24204800, 25899136, 26734592, 32373920, 33418240, 33966080, 38727680, 40467400, 41772800, 42457600, 48409600, 51798272, 64747840, 66836480, 67932160, 80934800, 83545600, 84915200, 96819200, 103596544, 129495680, 133672960, 161869600, 167091200, 169830400, 193638400, 207193088, 258991360, 323739200, 334182400, 339660800, 414386176, 517982720, 647478400, 668364800, 828772352, 1035965440, 1294956800, 2071930880, 2589913600, 4143861760, 5179827200, 10359654400, 20719308800]

約数ペア:

[(1, 20719308800), (2, 10359654400), (4, 5179827200), (5, 4143861760), (8, 2589913600), (10, 2071930880), (16, 1294956800), (20, 1035965440), (25, 828772352), (31, 668364800), (32, 647478400), (40, 517982720), (50, 414386176), (61, 339660800), (62, 334182400), (64, 323739200), (80, 258991360), (100, 207193088), (107, 193638400), (122, 169830400), (124, 167091200), (128, 161869600), (155, 133672960), (160, 129495680), (200, 103596544), (214, 96819200), (244, 84915200), (248, 83545600), (256, 80934800), (305, 67932160), (310, 66836480), (320, 64747840), (400, 51798272), (428, 48409600), (488, 42457600), (496, 41772800), (512, 40467400), (535, 38727680), (610, 33966080), (620, 33418240), (640, 32373920), (775, 26734592), (800, 25899136), (856, 24204800), (976, 21228800), (992, 20886400), (1024, 20233700), (1070, 19363840), (1220, 16983040), (1240, 16709120), (1280, 16186960), (1525, 13586432), (1550, 13367296), (1600, 12949568), (1712, 12102400), (1891, 10956800), (1952, 10614400), (1984, 10443200), (2048, 10116850), (2140, 9681920), (2440, 8491520), (2480, 8354560), (2560, 8093480), (2675, 7745536), (3050, 6793216), (3100, 6683648), (3200, 6474784), (3317, 6246400), (3424, 6051200), (3782, 5478400), (3904, 5307200), (3968, 5221600), (4096, 5058425), (4280, 4840960), (4880, 4245760), (4960, 4177280), (5120, 4046740), (5350, 3872768), (6100, 3396608), (6200, 3341824), (6400, 3237392), (6527, 3174400), (6634, 3123200), (6848, 3025600), (7564, 2739200), (7808, 2653600), (7936, 2610800), (8560, 2420480), (9455, 2191360), (9760, 2122880), (9920, 2088640), (10240, 2023370), (10700, 1936384), (12200, 1698304), (12400, 1670912), (12800, 1618696), (13054, 1587200), (13268, 1561600), (13696, 1512800), (15128, 1369600), (15616, 1326800), (15872, 1305400), (16585, 1249280), (17120, 1210240), (18910, 1095680), (19520, 1061440), (19840, 1044320), (20480, 1011685), (21400, 968192), (24400, 849152), (24800, 835456), (25600, 809348), (26108, 793600), (26536, 780800), (27392, 756400), (30256, 684800), (31232, 663400), (31744, 652700), (32635, 634880), (33170, 624640), (34240, 605120), (37820, 547840), (39040, 530720), (39680, 522160), (42800, 484096), (47275, 438272), (48800, 424576), (49600, 417728), (51200, 404674), (52216, 396800), (53072, 390400), (54784, 378200), (60512, 342400), (62464, 331700), (63488, 326350), (65270, 317440), (66340, 312320), (68480, 302560), (75640, 273920), (78080, 265360), (79360, 261080), (82925, 249856), (85600, 242048), (94550, 219136), (97600, 212288), (99200, 208864), (102400, 202337), (104432, 198400), (106144, 195200), (109568, 189100), (121024, 171200), (124928, 165850), (126976, 163175), (130540, 158720), (132680, 156160), (136960, 151280)]