68909880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{271}}^1$

素因数の和:461

約数の個数: 128

約数和(自身を含む): 224824320

約数和(自身を除く): 155914440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 163, 195, 260, 271, 312, 326, 390, 489, 520, 542, 652, 780, 813, 815, 978, 1084, 1304, 1355, 1560, 1626, 1630, 1956, 2119, 2168, 2445, 2710, 3252, 3260, 3523, 3912, 4065, 4238, 4890, 5420, 6357, 6504, 6520, 7046, 8130, 8476, 9780, 10569, 10595, 10840, 12714, 14092, 16260, 16952, 17615, 19560, 21138, 21190, 25428, 28184, 31785, 32520, 35230, 42276, 42380, 44173, 50856, 52845, 63570, 70460, 84552, 84760, 88346, 105690, 127140, 132519, 140920, 176692, 211380, 220865, 254280, 265038, 353384, 422760, 441730, 530076, 574249, 662595, 883460, 1060152, 1148498, 1325190, 1722747, 1766920, 2296996, 2650380, 2871245, 3445494, 4593992, 5300760, 5742490, 6890988, 8613735, 11484980, 13781976, 17227470, 22969960, 34454940, 68909880]

約数ペア:

[(1, 68909880), (2, 34454940), (3, 22969960), (4, 17227470), (5, 13781976), (6, 11484980), (8, 8613735), (10, 6890988), (12, 5742490), (13, 5300760), (15, 4593992), (20, 3445494), (24, 2871245), (26, 2650380), (30, 2296996), (39, 1766920), (40, 1722747), (52, 1325190), (60, 1148498), (65, 1060152), (78, 883460), (104, 662595), (120, 574249), (130, 530076), (156, 441730), (163, 422760), (195, 353384), (260, 265038), (271, 254280), (312, 220865), (326, 211380), (390, 176692), (489, 140920), (520, 132519), (542, 127140), (652, 105690), (780, 88346), (813, 84760), (815, 84552), (978, 70460), (1084, 63570), (1304, 52845), (1355, 50856), (1560, 44173), (1626, 42380), (1630, 42276), (1956, 35230), (2119, 32520), (2168, 31785), (2445, 28184), (2710, 25428), (3252, 21190), (3260, 21138), (3523, 19560), (3912, 17615), (4065, 16952), (4238, 16260), (4890, 14092), (5420, 12714), (6357, 10840), (6504, 10595), (6520, 10569), (7046, 9780), (8130, 8476)]