72239520

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^2$

素因数の和:215

約数の個数: 144

約数和(自身を含む): 242252640

約数和(自身を除く): 170013120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 60, 76, 80, 89, 95, 96, 114, 120, 152, 160, 178, 190, 228, 240, 267, 285, 304, 356, 380, 445, 456, 480, 534, 570, 608, 712, 760, 890, 912, 1068, 1140, 1335, 1424, 1520, 1691, 1780, 1824, 2136, 2280, 2670, 2848, 3040, 3382, 3560, 4272, 4560, 5073, 5340, 6764, 7120, 7921, 8455, 8544, 9120, 10146, 10680, 13528, 14240, 15842, 16910, 20292, 21360, 23763, 25365, 27056, 31684, 33820, 39605, 40584, 42720, 47526, 50730, 54112, 63368, 67640, 79210, 81168, 95052, 101460, 118815, 126736, 135280, 150499, 158420, 162336, 190104, 202920, 237630, 253472, 270560, 300998, 316840, 380208, 405840, 451497, 475260, 601996, 633680, 752495, 760416, 811680, 902994, 950520, 1203992, 1267360, 1504990, 1805988, 1901040, 2257485, 2407984, 3009980, 3611976, 3802080, 4514970, 4815968, 6019960, 7223952, 9029940, 12039920, 14447904, 18059880, 24079840, 36119760, 72239520]

約数ペア:

[(1, 72239520), (2, 36119760), (3, 24079840), (4, 18059880), (5, 14447904), (6, 12039920), (8, 9029940), (10, 7223952), (12, 6019960), (15, 4815968), (16, 4514970), (19, 3802080), (20, 3611976), (24, 3009980), (30, 2407984), (32, 2257485), (38, 1901040), (40, 1805988), (48, 1504990), (57, 1267360), (60, 1203992), (76, 950520), (80, 902994), (89, 811680), (95, 760416), (96, 752495), (114, 633680), (120, 601996), (152, 475260), (160, 451497), (178, 405840), (190, 380208), (228, 316840), (240, 300998), (267, 270560), (285, 253472), (304, 237630), (356, 202920), (380, 190104), (445, 162336), (456, 158420), (480, 150499), (534, 135280), (570, 126736), (608, 118815), (712, 101460), (760, 95052), (890, 81168), (912, 79210), (1068, 67640), (1140, 63368), (1335, 54112), (1424, 50730), (1520, 47526), (1691, 42720), (1780, 40584), (1824, 39605), (2136, 33820), (2280, 31684), (2670, 27056), (2848, 25365), (3040, 23763), (3382, 21360), (3560, 20292), (4272, 16910), (4560, 15842), (5073, 14240), (5340, 13528), (6764, 10680), (7120, 10146), (7921, 9120), (8455, 8544)]