66128270

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{269}}^1$

素因数の和:381

約数の個数: 64

約数和(自身を含む): 134991360

約数和(自身を除く): 68863090

約数列:

[1, 2, 5, 10, 13, 26, 31, 61, 62, 65, 122, 130, 155, 269, 305, 310, 403, 538, 610, 793, 806, 1345, 1586, 1891, 2015, 2690, 3497, 3782, 3965, 4030, 6994, 7930, 8339, 9455, 16409, 16678, 17485, 18910, 24583, 32818, 34970, 41695, 49166, 82045, 83390, 108407, 122915, 164090, 213317, 216814, 245830, 426634, 508679, 542035, 1017358, 1066585, 1084070, 2133170, 2543395, 5086790, 6612827, 13225654, 33064135, 66128270]

約数ペア:

[(1, 66128270), (2, 33064135), (5, 13225654), (10, 6612827), (13, 5086790), (26, 2543395), (31, 2133170), (61, 1084070), (62, 1066585), (65, 1017358), (122, 542035), (130, 508679), (155, 426634), (269, 245830), (305, 216814), (310, 213317), (403, 164090), (538, 122915), (610, 108407), (793, 83390), (806, 82045), (1345, 49166), (1586, 41695), (1891, 34970), (2015, 32818), (2690, 24583), (3497, 18910), (3782, 17485), (3965, 16678), (4030, 16409), (6994, 9455), (7930, 8339)]