1587854640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1997}}^1\times {\mathrm{3313}}^1$

素因数の和:5326

約数の個数: 80

約数和(自身を含む): 4926300768

約数和(自身を除く): 3338446128

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1997, 3313, 3994, 5991, 6626, 7988, 9939, 9985, 11982, 13252, 15976, 16565, 19878, 19970, 23964, 26504, 29955, 31952, 33130, 39756, 39940, 47928, 49695, 53008, 59910, 66260, 79512, 79880, 95856, 99390, 119820, 132520, 159024, 159760, 198780, 239640, 265040, 397560, 479280, 795120, 6616061, 13232122, 19848183, 26464244, 33080305, 39696366, 52928488, 66160610, 79392732, 99240915, 105856976, 132321220, 158785464, 198481830, 264642440, 317570928, 396963660, 529284880, 793927320, 1587854640]

約数ペア:

[(1, 1587854640), (2, 793927320), (3, 529284880), (4, 396963660), (5, 317570928), (6, 264642440), (8, 198481830), (10, 158785464), (12, 132321220), (15, 105856976), (16, 99240915), (20, 79392732), (24, 66160610), (30, 52928488), (40, 39696366), (48, 33080305), (60, 26464244), (80, 19848183), (120, 13232122), (240, 6616061), (1997, 795120), (3313, 479280), (3994, 397560), (5991, 265040), (6626, 239640), (7988, 198780), (9939, 159760), (9985, 159024), (11982, 132520), (13252, 119820), (15976, 99390), (16565, 95856), (19878, 79880), (19970, 79512), (23964, 66260), (26504, 59910), (29955, 53008), (31952, 49695), (33130, 47928), (39756, 39940)]