281546640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{2399}}^1$

素因数の和:2581

約数の個数: 120

約数和(自身を含む): 951724800

約数和(自身を除く): 670178160

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, 652, 720, 815, 978, 1304, 1467, 1630, 1956, 2399, 2445, 2608, 2934, 3260, 3912, 4798, 4890, 5868, 6520, 7197, 7335, 7824, 9596, 9780, 11736, 11995, 13040, 14394, 14670, 19192, 19560, 21591, 23472, 23990, 28788, 29340, 35985, 38384, 39120, 43182, 47980, 57576, 58680, 71970, 86364, 95960, 107955, 115152, 117360, 143940, 172728, 191920, 215910, 287880, 345456, 391037, 431820, 575760, 782074, 863640, 1173111, 1564148, 1727280, 1955185, 2346222, 3128296, 3519333, 3910370, 4692444, 5865555, 6256592, 7038666, 7820740, 9384888, 11731110, 14077332, 15641480, 17596665, 18769776, 23462220, 28154664, 31282960, 35193330, 46924440, 56309328, 70386660, 93848880, 140773320, 281546640]

約数ペア:

[(1, 281546640), (2, 140773320), (3, 93848880), (4, 70386660), (5, 56309328), (6, 46924440), (8, 35193330), (9, 31282960), (10, 28154664), (12, 23462220), (15, 18769776), (16, 17596665), (18, 15641480), (20, 14077332), (24, 11731110), (30, 9384888), (36, 7820740), (40, 7038666), (45, 6256592), (48, 5865555), (60, 4692444), (72, 3910370), (80, 3519333), (90, 3128296), (120, 2346222), (144, 1955185), (163, 1727280), (180, 1564148), (240, 1173111), (326, 863640), (360, 782074), (489, 575760), (652, 431820), (720, 391037), (815, 345456), (978, 287880), (1304, 215910), (1467, 191920), (1630, 172728), (1956, 143940), (2399, 117360), (2445, 115152), (2608, 107955), (2934, 95960), (3260, 86364), (3912, 71970), (4798, 58680), (4890, 57576), (5868, 47980), (6520, 43182), (7197, 39120), (7335, 38384), (7824, 35985), (9596, 29340), (9780, 28788), (11736, 23990), (11995, 23472), (13040, 21591), (14394, 19560), (14670, 19192)]