28324920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{271}}^1$

素因数の和:365

約数の個数: 128

約数和(自身を含む): 93219840

約数和(自身を除く): 64894920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 67, 78, 104, 120, 130, 134, 156, 195, 201, 260, 268, 271, 312, 335, 390, 402, 520, 536, 542, 670, 780, 804, 813, 871, 1005, 1084, 1340, 1355, 1560, 1608, 1626, 1742, 2010, 2168, 2613, 2680, 2710, 3252, 3484, 3523, 4020, 4065, 4355, 5226, 5420, 6504, 6968, 7046, 8040, 8130, 8710, 10452, 10569, 10840, 13065, 14092, 16260, 17420, 17615, 18157, 20904, 21138, 26130, 28184, 32520, 34840, 35230, 36314, 42276, 52260, 52845, 54471, 70460, 72628, 84552, 90785, 104520, 105690, 108942, 140920, 145256, 181570, 211380, 217884, 236041, 272355, 363140, 422760, 435768, 472082, 544710, 708123, 726280, 944164, 1089420, 1180205, 1416246, 1888328, 2178840, 2360410, 2832492, 3540615, 4720820, 5664984, 7081230, 9441640, 14162460, 28324920]

約数ペア:

[(1, 28324920), (2, 14162460), (3, 9441640), (4, 7081230), (5, 5664984), (6, 4720820), (8, 3540615), (10, 2832492), (12, 2360410), (13, 2178840), (15, 1888328), (20, 1416246), (24, 1180205), (26, 1089420), (30, 944164), (39, 726280), (40, 708123), (52, 544710), (60, 472082), (65, 435768), (67, 422760), (78, 363140), (104, 272355), (120, 236041), (130, 217884), (134, 211380), (156, 181570), (195, 145256), (201, 140920), (260, 108942), (268, 105690), (271, 104520), (312, 90785), (335, 84552), (390, 72628), (402, 70460), (520, 54471), (536, 52845), (542, 52260), (670, 42276), (780, 36314), (804, 35230), (813, 34840), (871, 32520), (1005, 28184), (1084, 26130), (1340, 21138), (1355, 20904), (1560, 18157), (1608, 17615), (1626, 17420), (1742, 16260), (2010, 14092), (2168, 13065), (2613, 10840), (2680, 10569), (2710, 10452), (3252, 8710), (3484, 8130), (3523, 8040), (4020, 7046), (4065, 6968), (4355, 6504), (5226, 5420)]