1294956800

素因数分解:

$2^8\times 5^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1$

素因数の和:225

約数の個数: 216

約数和(自身を含む): 3394282752

約数和(自身を除く): 2099325952

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, 535, 610, 620, 640, 775, 800, 856, 976, 992, 1070, 1220, 1240, 1280, 1525, 1550, 1600, 1712, 1891, 1952, 1984, 2140, 2440, 2480, 2675, 3050, 3100, 3200, 3317, 3424, 3782, 3904, 3968, 4280, 4880, 4960, 5350, 6100, 6200, 6400, 6527, 6634, 6848, 7564, 7808, 7936, 8560, 9455, 9760, 9920, 10700, 12200, 12400, 13054, 13268, 13696, 15128, 15616, 16585, 17120, 18910, 19520, 19840, 21400, 24400, 24800, 26108, 26536, 27392, 30256, 32635, 33170, 34240, 37820, 39040, 39680, 42800, 47275, 48800, 49600, 52216, 53072, 60512, 65270, 66340, 68480, 75640, 78080, 82925, 85600, 94550, 97600, 99200, 104432, 106144, 121024, 130540, 132680, 136960, 151280, 163175, 165850, 171200, 189100, 195200, 198400, 202337, 208864, 212288, 242048, 261080, 265360, 302560, 326350, 331700, 342400, 378200, 390400, 404674, 417728, 424576, 484096, 522160, 530720, 605120, 652700, 663400, 684800, 756400, 809348, 835456, 849152, 1011685, 1044320, 1061440, 1210240, 1305400, 1326800, 1512800, 1618696, 1670912, 2023370, 2088640, 2122880, 2420480, 2610800, 2653600, 3025600, 3237392, 4046740, 4177280, 4245760, 5058425, 5221600, 5307200, 6051200, 6474784, 8093480, 8354560, 10116850, 10443200, 10614400, 12102400, 12949568, 16186960, 20233700, 20886400, 21228800, 25899136, 32373920, 40467400, 41772800, 51798272, 64747840, 80934800, 129495680, 161869600, 258991360, 323739200, 647478400, 1294956800]

約数ペア:

[(1, 1294956800), (2, 647478400), (4, 323739200), (5, 258991360), (8, 161869600), (10, 129495680), (16, 80934800), (20, 64747840), (25, 51798272), (31, 41772800), (32, 40467400), (40, 32373920), (50, 25899136), (61, 21228800), (62, 20886400), (64, 20233700), (80, 16186960), (100, 12949568), (107, 12102400), (122, 10614400), (124, 10443200), (128, 10116850), (155, 8354560), (160, 8093480), (200, 6474784), (214, 6051200), (244, 5307200), (248, 5221600), (256, 5058425), (305, 4245760), (310, 4177280), (320, 4046740), (400, 3237392), (428, 3025600), (488, 2653600), (496, 2610800), (535, 2420480), (610, 2122880), (620, 2088640), (640, 2023370), (775, 1670912), (800, 1618696), (856, 1512800), (976, 1326800), (992, 1305400), (1070, 1210240), (1220, 1061440), (1240, 1044320), (1280, 1011685), (1525, 849152), (1550, 835456), (1600, 809348), (1712, 756400), (1891, 684800), (1952, 663400), (1984, 652700), (2140, 605120), (2440, 530720), (2480, 522160), (2675, 484096), (3050, 424576), (3100, 417728), (3200, 404674), (3317, 390400), (3424, 378200), (3782, 342400), (3904, 331700), (3968, 326350), (4280, 302560), (4880, 265360), (4960, 261080), (5350, 242048), (6100, 212288), (6200, 208864), (6400, 202337), (6527, 198400), (6634, 195200), (6848, 189100), (7564, 171200), (7808, 165850), (7936, 163175), (8560, 151280), (9455, 136960), (9760, 132680), (9920, 130540), (10700, 121024), (12200, 106144), (12400, 104432), (13054, 99200), (13268, 97600), (13696, 94550), (15128, 85600), (15616, 82925), (16585, 78080), (17120, 75640), (18910, 68480), (19520, 66340), (19840, 65270), (21400, 60512), (24400, 53072), (24800, 52216), (26108, 49600), (26536, 48800), (27392, 47275), (30256, 42800), (32635, 39680), (33170, 39040), (34240, 37820)]