1290217600

素因数分解:

$2^7\times 5^2\times 7^1\times {\mathrm{239}}^1\times {\mathrm{241}}^1$

素因数の和:511

約数の個数: 192

約数和(自身を含む): 3672979200

約数和(自身を除く): 2382761600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 64, 70, 80, 100, 112, 128, 140, 160, 175, 200, 224, 239, 241, 280, 320, 350, 400, 448, 478, 482, 560, 640, 700, 800, 896, 956, 964, 1120, 1195, 1205, 1400, 1600, 1673, 1687, 1912, 1928, 2240, 2390, 2410, 2800, 3200, 3346, 3374, 3824, 3856, 4480, 4780, 4820, 5600, 5975, 6025, 6692, 6748, 7648, 7712, 8365, 8435, 9560, 9640, 11200, 11950, 12050, 13384, 13496, 15296, 15424, 16730, 16870, 19120, 19280, 22400, 23900, 24100, 26768, 26992, 30592, 30848, 33460, 33740, 38240, 38560, 41825, 42175, 47800, 48200, 53536, 53984, 57599, 66920, 67480, 76480, 77120, 83650, 84350, 95600, 96400, 107072, 107968, 115198, 133840, 134960, 152960, 154240, 167300, 168700, 191200, 192800, 214144, 215936, 230396, 267680, 269920, 287995, 334600, 337400, 382400, 385600, 403193, 460792, 535360, 539840, 575990, 669200, 674800, 764800, 771200, 806386, 921584, 1070720, 1079680, 1151980, 1338400, 1349600, 1439975, 1612772, 1843168, 2015965, 2303960, 2676800, 2699200, 2879950, 3225544, 3686336, 4031930, 4607920, 5353600, 5398400, 5759900, 6451088, 7372672, 8063860, 9215840, 10079825, 11519800, 12902176, 16127720, 18431680, 20159650, 23039600, 25804352, 32255440, 36863360, 40319300, 46079200, 51608704, 64510880, 80638600, 92158400, 129021760, 161277200, 184316800, 258043520, 322554400, 645108800, 1290217600]

約数ペア:

[(1, 1290217600), (2, 645108800), (4, 322554400), (5, 258043520), (7, 184316800), (8, 161277200), (10, 129021760), (14, 92158400), (16, 80638600), (20, 64510880), (25, 51608704), (28, 46079200), (32, 40319300), (35, 36863360), (40, 32255440), (50, 25804352), (56, 23039600), (64, 20159650), (70, 18431680), (80, 16127720), (100, 12902176), (112, 11519800), (128, 10079825), (140, 9215840), (160, 8063860), (175, 7372672), (200, 6451088), (224, 5759900), (239, 5398400), (241, 5353600), (280, 4607920), (320, 4031930), (350, 3686336), (400, 3225544), (448, 2879950), (478, 2699200), (482, 2676800), (560, 2303960), (640, 2015965), (700, 1843168), (800, 1612772), (896, 1439975), (956, 1349600), (964, 1338400), (1120, 1151980), (1195, 1079680), (1205, 1070720), (1400, 921584), (1600, 806386), (1673, 771200), (1687, 764800), (1912, 674800), (1928, 669200), (2240, 575990), (2390, 539840), (2410, 535360), (2800, 460792), (3200, 403193), (3346, 385600), (3374, 382400), (3824, 337400), (3856, 334600), (4480, 287995), (4780, 269920), (4820, 267680), (5600, 230396), (5975, 215936), (6025, 214144), (6692, 192800), (6748, 191200), (7648, 168700), (7712, 167300), (8365, 154240), (8435, 152960), (9560, 134960), (9640, 133840), (11200, 115198), (11950, 107968), (12050, 107072), (13384, 96400), (13496, 95600), (15296, 84350), (15424, 83650), (16730, 77120), (16870, 76480), (19120, 67480), (19280, 66920), (22400, 57599), (23900, 53984), (24100, 53536), (26768, 48200), (26992, 47800), (30592, 42175), (30848, 41825), (33460, 38560), (33740, 38240)]