81191760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{491}}^1$

素因数の和:573

約数の個数: 160

約数和(自身を含む): 276732288

約数和(自身を除く): 195540528

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 53, 60, 65, 78, 80, 104, 106, 120, 130, 156, 159, 195, 208, 212, 240, 260, 265, 312, 318, 390, 424, 491, 520, 530, 624, 636, 689, 780, 795, 848, 982, 1040, 1060, 1272, 1378, 1473, 1560, 1590, 1964, 2067, 2120, 2455, 2544, 2756, 2946, 3120, 3180, 3445, 3928, 4134, 4240, 4910, 5512, 5892, 6360, 6383, 6890, 7365, 7856, 8268, 9820, 10335, 11024, 11784, 12720, 12766, 13780, 14730, 16536, 19149, 19640, 20670, 23568, 25532, 26023, 27560, 29460, 31915, 33072, 38298, 39280, 41340, 51064, 52046, 55120, 58920, 63830, 76596, 78069, 82680, 95745, 102128, 104092, 117840, 127660, 130115, 153192, 156138, 165360, 191490, 208184, 255320, 260230, 306384, 312276, 338299, 382980, 390345, 416368, 510640, 520460, 624552, 676598, 765960, 780690, 1014897, 1040920, 1249104, 1353196, 1531920, 1561380, 1691495, 2029794, 2081840, 2706392, 3122760, 3382990, 4059588, 5074485, 5412784, 6245520, 6765980, 8119176, 10148970, 13531960, 16238352, 20297940, 27063920, 40595880, 81191760]

約数ペア:

[(1, 81191760), (2, 40595880), (3, 27063920), (4, 20297940), (5, 16238352), (6, 13531960), (8, 10148970), (10, 8119176), (12, 6765980), (13, 6245520), (15, 5412784), (16, 5074485), (20, 4059588), (24, 3382990), (26, 3122760), (30, 2706392), (39, 2081840), (40, 2029794), (48, 1691495), (52, 1561380), (53, 1531920), (60, 1353196), (65, 1249104), (78, 1040920), (80, 1014897), (104, 780690), (106, 765960), (120, 676598), (130, 624552), (156, 520460), (159, 510640), (195, 416368), (208, 390345), (212, 382980), (240, 338299), (260, 312276), (265, 306384), (312, 260230), (318, 255320), (390, 208184), (424, 191490), (491, 165360), (520, 156138), (530, 153192), (624, 130115), (636, 127660), (689, 117840), (780, 104092), (795, 102128), (848, 95745), (982, 82680), (1040, 78069), (1060, 76596), (1272, 63830), (1378, 58920), (1473, 55120), (1560, 52046), (1590, 51064), (1964, 41340), (2067, 39280), (2120, 38298), (2455, 33072), (2544, 31915), (2756, 29460), (2946, 27560), (3120, 26023), (3180, 25532), (3445, 23568), (3928, 20670), (4134, 19640), (4240, 19149), (4910, 16536), (5512, 14730), (5892, 13780), (6360, 12766), (6383, 12720), (6890, 11784), (7365, 11024), (7856, 10335), (8268, 9820)]