72904560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{239}}^1$

素因数の和:327

約数の個数: 160

約数和(自身を含む): 239984640

約数和(自身を除く): 167080080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 41, 48, 60, 62, 80, 82, 93, 120, 123, 124, 155, 164, 186, 205, 239, 240, 246, 248, 310, 328, 372, 410, 465, 478, 492, 496, 615, 620, 656, 717, 744, 820, 930, 956, 984, 1195, 1230, 1240, 1271, 1434, 1488, 1640, 1860, 1912, 1968, 2390, 2460, 2480, 2542, 2868, 3280, 3585, 3720, 3813, 3824, 4780, 4920, 5084, 5736, 6355, 7170, 7409, 7440, 7626, 9560, 9799, 9840, 10168, 11472, 12710, 14340, 14818, 15252, 19065, 19120, 19598, 20336, 22227, 25420, 28680, 29397, 29636, 30504, 37045, 38130, 39196, 44454, 48995, 50840, 57360, 58794, 59272, 61008, 74090, 76260, 78392, 88908, 97990, 101680, 111135, 117588, 118544, 146985, 148180, 152520, 156784, 177816, 195980, 222270, 235176, 293970, 296360, 303769, 305040, 355632, 391960, 444540, 470352, 587940, 592720, 607538, 783920, 889080, 911307, 1175880, 1215076, 1518845, 1778160, 1822614, 2351760, 2430152, 3037690, 3645228, 4556535, 4860304, 6075380, 7290456, 9113070, 12150760, 14580912, 18226140, 24301520, 36452280, 72904560]

約数ペア:

[(1, 72904560), (2, 36452280), (3, 24301520), (4, 18226140), (5, 14580912), (6, 12150760), (8, 9113070), (10, 7290456), (12, 6075380), (15, 4860304), (16, 4556535), (20, 3645228), (24, 3037690), (30, 2430152), (31, 2351760), (40, 1822614), (41, 1778160), (48, 1518845), (60, 1215076), (62, 1175880), (80, 911307), (82, 889080), (93, 783920), (120, 607538), (123, 592720), (124, 587940), (155, 470352), (164, 444540), (186, 391960), (205, 355632), (239, 305040), (240, 303769), (246, 296360), (248, 293970), (310, 235176), (328, 222270), (372, 195980), (410, 177816), (465, 156784), (478, 152520), (492, 148180), (496, 146985), (615, 118544), (620, 117588), (656, 111135), (717, 101680), (744, 97990), (820, 88908), (930, 78392), (956, 76260), (984, 74090), (1195, 61008), (1230, 59272), (1240, 58794), (1271, 57360), (1434, 50840), (1488, 48995), (1640, 44454), (1860, 39196), (1912, 38130), (1968, 37045), (2390, 30504), (2460, 29636), (2480, 29397), (2542, 28680), (2868, 25420), (3280, 22227), (3585, 20336), (3720, 19598), (3813, 19120), (3824, 19065), (4780, 15252), (4920, 14818), (5084, 14340), (5736, 12710), (6355, 11472), (7170, 10168), (7409, 9840), (7440, 9799), (7626, 9560)]