20145930

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1$

素因数の和:180

約数の個数: 128

約数和(自身を含む): 59609088

約数和(自身を除く): 39463158

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 23, 30, 35, 42, 43, 46, 69, 70, 86, 97, 105, 115, 129, 138, 161, 194, 210, 215, 230, 258, 291, 301, 322, 345, 430, 483, 485, 582, 602, 645, 679, 690, 805, 903, 966, 970, 989, 1290, 1358, 1455, 1505, 1610, 1806, 1978, 2037, 2231, 2415, 2910, 2967, 3010, 3395, 4074, 4171, 4462, 4515, 4830, 4945, 5934, 6693, 6790, 6923, 8342, 9030, 9890, 10185, 11155, 12513, 13386, 13846, 14835, 15617, 20370, 20769, 20855, 22310, 25026, 29197, 29670, 31234, 33465, 34615, 41538, 41710, 46851, 58394, 62565, 66930, 69230, 78085, 87591, 93702, 95933, 103845, 125130, 145985, 156170, 175182, 191866, 207690, 234255, 287799, 291970, 437955, 468510, 479665, 575598, 671531, 875910, 959330, 1343062, 1438995, 2014593, 2877990, 3357655, 4029186, 6715310, 10072965, 20145930]

約数ペア:

[(1, 20145930), (2, 10072965), (3, 6715310), (5, 4029186), (6, 3357655), (7, 2877990), (10, 2014593), (14, 1438995), (15, 1343062), (21, 959330), (23, 875910), (30, 671531), (35, 575598), (42, 479665), (43, 468510), (46, 437955), (69, 291970), (70, 287799), (86, 234255), (97, 207690), (105, 191866), (115, 175182), (129, 156170), (138, 145985), (161, 125130), (194, 103845), (210, 95933), (215, 93702), (230, 87591), (258, 78085), (291, 69230), (301, 66930), (322, 62565), (345, 58394), (430, 46851), (483, 41710), (485, 41538), (582, 34615), (602, 33465), (645, 31234), (679, 29670), (690, 29197), (805, 25026), (903, 22310), (966, 20855), (970, 20769), (989, 20370), (1290, 15617), (1358, 14835), (1455, 13846), (1505, 13386), (1610, 12513), (1806, 11155), (1978, 10185), (2037, 9890), (2231, 9030), (2415, 8342), (2910, 6923), (2967, 6790), (3010, 6693), (3395, 5934), (4074, 4945), (4171, 4830), (4462, 4515)]