81775590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{683}}^1$

素因数の和:1013

約数の個数: 64

約数和(自身を含む): 212357376

約数和(自身を除く): 130581786

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 307, 390, 614, 683, 921, 1366, 1535, 1842, 2049, 3070, 3415, 3991, 4098, 4605, 6830, 7982, 8879, 9210, 10245, 11973, 17758, 19955, 20490, 23946, 26637, 39910, 44395, 53274, 59865, 88790, 119730, 133185, 209681, 266370, 419362, 629043, 1048405, 1258086, 2096810, 2725853, 3145215, 5451706, 6290430, 8177559, 13629265, 16355118, 27258530, 40887795, 81775590]

約数ペア:

[(1, 81775590), (2, 40887795), (3, 27258530), (5, 16355118), (6, 13629265), (10, 8177559), (13, 6290430), (15, 5451706), (26, 3145215), (30, 2725853), (39, 2096810), (65, 1258086), (78, 1048405), (130, 629043), (195, 419362), (307, 266370), (390, 209681), (614, 133185), (683, 119730), (921, 88790), (1366, 59865), (1535, 53274), (1842, 44395), (2049, 39910), (3070, 26637), (3415, 23946), (3991, 20490), (4098, 19955), (4605, 17758), (6830, 11973), (7982, 10245), (8879, 9210)]