15881190

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{947}}^1$

素因数の和:1013

約数の個数: 64

約数和(自身を含む): 42045696

約数和(自身を除く): 26164506

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 43, 65, 78, 86, 129, 130, 195, 215, 258, 390, 430, 559, 645, 947, 1118, 1290, 1677, 1894, 2795, 2841, 3354, 4735, 5590, 5682, 8385, 9470, 12311, 14205, 16770, 24622, 28410, 36933, 40721, 61555, 73866, 81442, 122163, 123110, 184665, 203605, 244326, 369330, 407210, 529373, 610815, 1058746, 1221630, 1588119, 2646865, 3176238, 5293730, 7940595, 15881190]

約数ペア:

[(1, 15881190), (2, 7940595), (3, 5293730), (5, 3176238), (6, 2646865), (10, 1588119), (13, 1221630), (15, 1058746), (26, 610815), (30, 529373), (39, 407210), (43, 369330), (65, 244326), (78, 203605), (86, 184665), (129, 123110), (130, 122163), (195, 81442), (215, 73866), (258, 61555), (390, 40721), (430, 36933), (559, 28410), (645, 24622), (947, 16770), (1118, 14205), (1290, 12311), (1677, 9470), (1894, 8385), (2795, 5682), (2841, 5590), (3354, 4735)]