15791880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{191}}^1$

素因数の和:271

約数の個数: 128

約数和(自身を含む): 52254720

約数和(自身を除く): 36462840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 53, 60, 65, 78, 104, 106, 120, 130, 156, 159, 191, 195, 212, 260, 265, 312, 318, 382, 390, 424, 520, 530, 573, 636, 689, 764, 780, 795, 955, 1060, 1146, 1272, 1378, 1528, 1560, 1590, 1910, 2067, 2120, 2292, 2483, 2756, 2865, 3180, 3445, 3820, 4134, 4584, 4966, 5512, 5730, 6360, 6890, 7449, 7640, 8268, 9932, 10123, 10335, 11460, 12415, 13780, 14898, 16536, 19864, 20246, 20670, 22920, 24830, 27560, 29796, 30369, 37245, 40492, 41340, 49660, 50615, 59592, 60738, 74490, 80984, 82680, 99320, 101230, 121476, 131599, 148980, 151845, 202460, 242952, 263198, 297960, 303690, 394797, 404920, 526396, 607380, 657995, 789594, 1052792, 1214760, 1315990, 1579188, 1973985, 2631980, 3158376, 3947970, 5263960, 7895940, 15791880]

約数ペア:

[(1, 15791880), (2, 7895940), (3, 5263960), (4, 3947970), (5, 3158376), (6, 2631980), (8, 1973985), (10, 1579188), (12, 1315990), (13, 1214760), (15, 1052792), (20, 789594), (24, 657995), (26, 607380), (30, 526396), (39, 404920), (40, 394797), (52, 303690), (53, 297960), (60, 263198), (65, 242952), (78, 202460), (104, 151845), (106, 148980), (120, 131599), (130, 121476), (156, 101230), (159, 99320), (191, 82680), (195, 80984), (212, 74490), (260, 60738), (265, 59592), (312, 50615), (318, 49660), (382, 41340), (390, 40492), (424, 37245), (520, 30369), (530, 29796), (573, 27560), (636, 24830), (689, 22920), (764, 20670), (780, 20246), (795, 19864), (955, 16536), (1060, 14898), (1146, 13780), (1272, 12415), (1378, 11460), (1528, 10335), (1560, 10123), (1590, 9932), (1910, 8268), (2067, 7640), (2120, 7449), (2292, 6890), (2483, 6360), (2756, 5730), (2865, 5512), (3180, 4966), (3445, 4584), (3820, 4134)]