197428920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{467}}^1$

素因数の和:765

約数の個数: 128

約数和(自身を含む): 641571840

約数和(自身を除く): 444142920

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, 195, 260, 271, 312, 390, 467, 520, 542, 780, 813, 934, 1084, 1355, 1401, 1560, 1626, 1868, 2168, 2335, 2710, 2802, 3252, 3523, 3736, 4065, 4670, 5420, 5604, 6071, 6504, 7005, 7046, 8130, 9340, 10569, 10840, 11208, 12142, 14010, 14092, 16260, 17615, 18213, 18680, 21138, 24284, 28020, 28184, 30355, 32520, 35230, 36426, 42276, 48568, 52845, 56040, 60710, 70460, 72852, 84552, 91065, 105690, 121420, 126557, 140920, 145704, 182130, 211380, 242840, 253114, 364260, 379671, 422760, 506228, 632785, 728520, 759342, 1012456, 1265570, 1518684, 1645241, 1898355, 2531140, 3037368, 3290482, 3796710, 4935723, 5062280, 6580964, 7593420, 8226205, 9871446, 13161928, 15186840, 16452410, 19742892, 24678615, 32904820, 39485784, 49357230, 65809640, 98714460, 197428920]

約数ペア:

[(1, 197428920), (2, 98714460), (3, 65809640), (4, 49357230), (5, 39485784), (6, 32904820), (8, 24678615), (10, 19742892), (12, 16452410), (13, 15186840), (15, 13161928), (20, 9871446), (24, 8226205), (26, 7593420), (30, 6580964), (39, 5062280), (40, 4935723), (52, 3796710), (60, 3290482), (65, 3037368), (78, 2531140), (104, 1898355), (120, 1645241), (130, 1518684), (156, 1265570), (195, 1012456), (260, 759342), (271, 728520), (312, 632785), (390, 506228), (467, 422760), (520, 379671), (542, 364260), (780, 253114), (813, 242840), (934, 211380), (1084, 182130), (1355, 145704), (1401, 140920), (1560, 126557), (1626, 121420), (1868, 105690), (2168, 91065), (2335, 84552), (2710, 72852), (2802, 70460), (3252, 60710), (3523, 56040), (3736, 52845), (4065, 48568), (4670, 42276), (5420, 36426), (5604, 35230), (6071, 32520), (6504, 30355), (7005, 28184), (7046, 28020), (8130, 24284), (9340, 21138), (10569, 18680), (10840, 18213), (11208, 17615), (12142, 16260), (14010, 14092)]