64439640

素因数分解:

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

素因数の和:9457

約数の個数: 96

約数和(自身を含む): 220474800

約数和(自身を除く): 156035160

約数列:

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

約数ペア:

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