87838660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{167}}^1$

素因数の和:230

約数の個数: 144

約数和(自身を含む): 242613504

約数和(自身を除く): 154774844

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 17, 20, 26, 28, 34, 35, 52, 65, 68, 70, 85, 91, 119, 130, 140, 167, 170, 182, 221, 238, 260, 289, 334, 340, 364, 442, 455, 476, 578, 595, 668, 835, 884, 910, 1105, 1156, 1169, 1190, 1445, 1547, 1670, 1820, 2023, 2171, 2210, 2338, 2380, 2839, 2890, 3094, 3340, 3757, 4046, 4342, 4420, 4676, 5678, 5780, 5845, 6188, 7514, 7735, 8092, 8684, 10115, 10855, 11356, 11690, 14195, 15028, 15197, 15470, 18785, 19873, 20230, 21710, 23380, 26299, 28390, 30394, 30940, 36907, 37570, 39746, 40460, 43420, 48263, 52598, 56780, 60788, 73814, 75140, 75985, 79492, 96526, 99365, 105196, 131495, 147628, 151970, 184535, 193052, 198730, 241315, 258349, 262990, 303940, 337841, 369070, 397460, 482630, 516698, 525980, 627419, 675682, 738140, 965260, 1033396, 1254838, 1291745, 1351364, 1689205, 2509676, 2583490, 3137095, 3378410, 4391933, 5166980, 6274190, 6756820, 8783866, 12548380, 17567732, 21959665, 43919330, 87838660]

約数ペア:

[(1, 87838660), (2, 43919330), (4, 21959665), (5, 17567732), (7, 12548380), (10, 8783866), (13, 6756820), (14, 6274190), (17, 5166980), (20, 4391933), (26, 3378410), (28, 3137095), (34, 2583490), (35, 2509676), (52, 1689205), (65, 1351364), (68, 1291745), (70, 1254838), (85, 1033396), (91, 965260), (119, 738140), (130, 675682), (140, 627419), (167, 525980), (170, 516698), (182, 482630), (221, 397460), (238, 369070), (260, 337841), (289, 303940), (334, 262990), (340, 258349), (364, 241315), (442, 198730), (455, 193052), (476, 184535), (578, 151970), (595, 147628), (668, 131495), (835, 105196), (884, 99365), (910, 96526), (1105, 79492), (1156, 75985), (1169, 75140), (1190, 73814), (1445, 60788), (1547, 56780), (1670, 52598), (1820, 48263), (2023, 43420), (2171, 40460), (2210, 39746), (2338, 37570), (2380, 36907), (2839, 30940), (2890, 30394), (3094, 28390), (3340, 26299), (3757, 23380), (4046, 21710), (4342, 20230), (4420, 19873), (4676, 18785), (5678, 15470), (5780, 15197), (5845, 15028), (6188, 14195), (7514, 11690), (7735, 11356), (8092, 10855), (8684, 10115)]