72645840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{619}}^1$

素因数の和:801

約数の個数: 120

約数和(自身を含む): 245862240

約数和(自身を除く): 173216400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 163, 180, 240, 326, 360, 489, 619, 652, 720, 815, 978, 1238, 1304, 1467, 1630, 1857, 1956, 2445, 2476, 2608, 2934, 3095, 3260, 3714, 3912, 4890, 4952, 5571, 5868, 6190, 6520, 7335, 7428, 7824, 9285, 9780, 9904, 11142, 11736, 12380, 13040, 14670, 14856, 18570, 19560, 22284, 23472, 24760, 27855, 29340, 29712, 37140, 39120, 44568, 49520, 55710, 58680, 74280, 89136, 100897, 111420, 117360, 148560, 201794, 222840, 302691, 403588, 445680, 504485, 605382, 807176, 908073, 1008970, 1210764, 1513455, 1614352, 1816146, 2017940, 2421528, 3026910, 3632292, 4035880, 4540365, 4843056, 6053820, 7264584, 8071760, 9080730, 12107640, 14529168, 18161460, 24215280, 36322920, 72645840]

約数ペア:

[(1, 72645840), (2, 36322920), (3, 24215280), (4, 18161460), (5, 14529168), (6, 12107640), (8, 9080730), (9, 8071760), (10, 7264584), (12, 6053820), (15, 4843056), (16, 4540365), (18, 4035880), (20, 3632292), (24, 3026910), (30, 2421528), (36, 2017940), (40, 1816146), (45, 1614352), (48, 1513455), (60, 1210764), (72, 1008970), (80, 908073), (90, 807176), (120, 605382), (144, 504485), (163, 445680), (180, 403588), (240, 302691), (326, 222840), (360, 201794), (489, 148560), (619, 117360), (652, 111420), (720, 100897), (815, 89136), (978, 74280), (1238, 58680), (1304, 55710), (1467, 49520), (1630, 44568), (1857, 39120), (1956, 37140), (2445, 29712), (2476, 29340), (2608, 27855), (2934, 24760), (3095, 23472), (3260, 22284), (3714, 19560), (3912, 18570), (4890, 14856), (4952, 14670), (5571, 13040), (5868, 12380), (6190, 11736), (6520, 11142), (7335, 9904), (7428, 9780), (7824, 9285)]