311714520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{947}}^1$

素因数の和:1185

約数の個数: 128

約数和(自身を含む): 1012919040

約数和(自身を除く): 701204520

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, 211, 260, 312, 390, 422, 520, 633, 780, 844, 947, 1055, 1266, 1560, 1688, 1894, 2110, 2532, 2743, 2841, 3165, 3788, 4220, 4735, 5064, 5486, 5682, 6330, 7576, 8229, 8440, 9470, 10972, 11364, 12311, 12660, 13715, 14205, 16458, 18940, 21944, 22728, 24622, 25320, 27430, 28410, 32916, 36933, 37880, 41145, 49244, 54860, 56820, 61555, 65832, 73866, 82290, 98488, 109720, 113640, 123110, 147732, 164580, 184665, 199817, 246220, 295464, 329160, 369330, 399634, 492440, 599451, 738660, 799268, 999085, 1198902, 1477320, 1598536, 1998170, 2397804, 2597621, 2997255, 3996340, 4795608, 5195242, 5994510, 7792863, 7992680, 10390484, 11989020, 12988105, 15585726, 20780968, 23978040, 25976210, 31171452, 38964315, 51952420, 62342904, 77928630, 103904840, 155857260, 311714520]

約数ペア:

[(1, 311714520), (2, 155857260), (3, 103904840), (4, 77928630), (5, 62342904), (6, 51952420), (8, 38964315), (10, 31171452), (12, 25976210), (13, 23978040), (15, 20780968), (20, 15585726), (24, 12988105), (26, 11989020), (30, 10390484), (39, 7992680), (40, 7792863), (52, 5994510), (60, 5195242), (65, 4795608), (78, 3996340), (104, 2997255), (120, 2597621), (130, 2397804), (156, 1998170), (195, 1598536), (211, 1477320), (260, 1198902), (312, 999085), (390, 799268), (422, 738660), (520, 599451), (633, 492440), (780, 399634), (844, 369330), (947, 329160), (1055, 295464), (1266, 246220), (1560, 199817), (1688, 184665), (1894, 164580), (2110, 147732), (2532, 123110), (2743, 113640), (2841, 109720), (3165, 98488), (3788, 82290), (4220, 73866), (4735, 65832), (5064, 61555), (5486, 56820), (5682, 54860), (6330, 49244), (7576, 41145), (8229, 37880), (8440, 36933), (9470, 32916), (10972, 28410), (11364, 27430), (12311, 25320), (12660, 24622), (13715, 22728), (14205, 21944), (16458, 18940)]