128879280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{9421}}^1$

素因数の和:9459

約数の個数: 120

約数和(自身を含む): 455647920

約数和(自身を除く): 326768640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 114, 120, 144, 152, 171, 180, 190, 228, 240, 285, 304, 342, 360, 380, 456, 570, 684, 720, 760, 855, 912, 1140, 1368, 1520, 1710, 2280, 2736, 3420, 4560, 6840, 9421, 13680, 18842, 28263, 37684, 47105, 56526, 75368, 84789, 94210, 113052, 141315, 150736, 169578, 178999, 188420, 226104, 282630, 339156, 357998, 376840, 423945, 452208, 536997, 565260, 678312, 715996, 753680, 847890, 894995, 1073994, 1130520, 1356624, 1431992, 1610991, 1695780, 1789990, 2147988, 2261040, 2684985, 2863984, 3221982, 3391560, 3579980, 4295976, 5369970, 6443964, 6783120, 7159960, 8054955, 8591952, 10739940, 12887928, 14319920, 16109910, 21479880, 25775856, 32219820, 42959760, 64439640, 128879280]

約数ペア:

[(1, 128879280), (2, 64439640), (3, 42959760), (4, 32219820), (5, 25775856), (6, 21479880), (8, 16109910), (9, 14319920), (10, 12887928), (12, 10739940), (15, 8591952), (16, 8054955), (18, 7159960), (19, 6783120), (20, 6443964), (24, 5369970), (30, 4295976), (36, 3579980), (38, 3391560), (40, 3221982), (45, 2863984), (48, 2684985), (57, 2261040), (60, 2147988), (72, 1789990), (76, 1695780), (80, 1610991), (90, 1431992), (95, 1356624), (114, 1130520), (120, 1073994), (144, 894995), (152, 847890), (171, 753680), (180, 715996), (190, 678312), (228, 565260), (240, 536997), (285, 452208), (304, 423945), (342, 376840), (360, 357998), (380, 339156), (456, 282630), (570, 226104), (684, 188420), (720, 178999), (760, 169578), (855, 150736), (912, 141315), (1140, 113052), (1368, 94210), (1520, 84789), (1710, 75368), (2280, 56526), (2736, 47105), (3420, 37684), (4560, 28263), (6840, 18842), (9421, 13680)]