90811320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{181}}^1$

素因数の和:345

約数の個数: 128

約数和(自身を含む): 283832640

約数和(自身を除く): 193021320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 60, 74, 111, 113, 120, 148, 181, 185, 222, 226, 296, 339, 362, 370, 444, 452, 543, 555, 565, 678, 724, 740, 888, 904, 905, 1086, 1110, 1130, 1356, 1448, 1480, 1695, 1810, 2172, 2220, 2260, 2712, 2715, 3390, 3620, 4181, 4344, 4440, 4520, 5430, 6697, 6780, 7240, 8362, 10860, 12543, 13394, 13560, 16724, 20091, 20453, 20905, 21720, 25086, 26788, 33448, 33485, 40182, 40906, 41810, 50172, 53576, 61359, 62715, 66970, 80364, 81812, 83620, 100344, 100455, 102265, 122718, 125430, 133940, 160728, 163624, 167240, 200910, 204530, 245436, 250860, 267880, 306795, 401820, 409060, 490872, 501720, 613590, 756761, 803640, 818120, 1227180, 1513522, 2270283, 2454360, 3027044, 3783805, 4540566, 6054088, 7567610, 9081132, 11351415, 15135220, 18162264, 22702830, 30270440, 45405660, 90811320]

約数ペア:

[(1, 90811320), (2, 45405660), (3, 30270440), (4, 22702830), (5, 18162264), (6, 15135220), (8, 11351415), (10, 9081132), (12, 7567610), (15, 6054088), (20, 4540566), (24, 3783805), (30, 3027044), (37, 2454360), (40, 2270283), (60, 1513522), (74, 1227180), (111, 818120), (113, 803640), (120, 756761), (148, 613590), (181, 501720), (185, 490872), (222, 409060), (226, 401820), (296, 306795), (339, 267880), (362, 250860), (370, 245436), (444, 204530), (452, 200910), (543, 167240), (555, 163624), (565, 160728), (678, 133940), (724, 125430), (740, 122718), (888, 102265), (904, 100455), (905, 100344), (1086, 83620), (1110, 81812), (1130, 80364), (1356, 66970), (1448, 62715), (1480, 61359), (1695, 53576), (1810, 50172), (2172, 41810), (2220, 40906), (2260, 40182), (2712, 33485), (2715, 33448), (3390, 26788), (3620, 25086), (4181, 21720), (4344, 20905), (4440, 20453), (4520, 20091), (5430, 16724), (6697, 13560), (6780, 13394), (7240, 12543), (8362, 10860)]