81277620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{419}}^1$

素因数の和:545

約数の個数: 96

約数和(自身を含む): 236234880

約数和(自身を除く): 154957260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 53, 60, 61, 106, 122, 159, 183, 212, 244, 265, 305, 318, 366, 419, 530, 610, 636, 732, 795, 838, 915, 1060, 1220, 1257, 1590, 1676, 1830, 2095, 2514, 3180, 3233, 3660, 4190, 5028, 6285, 6466, 8380, 9699, 12570, 12932, 16165, 19398, 22207, 25140, 25559, 32330, 38796, 44414, 48495, 51118, 64660, 66621, 76677, 88828, 96990, 102236, 111035, 127795, 133242, 153354, 193980, 222070, 255590, 266484, 306708, 333105, 383385, 444140, 511180, 666210, 766770, 1332420, 1354627, 1533540, 2709254, 4063881, 5418508, 6773135, 8127762, 13546270, 16255524, 20319405, 27092540, 40638810, 81277620]

約数ペア:

[(1, 81277620), (2, 40638810), (3, 27092540), (4, 20319405), (5, 16255524), (6, 13546270), (10, 8127762), (12, 6773135), (15, 5418508), (20, 4063881), (30, 2709254), (53, 1533540), (60, 1354627), (61, 1332420), (106, 766770), (122, 666210), (159, 511180), (183, 444140), (212, 383385), (244, 333105), (265, 306708), (305, 266484), (318, 255590), (366, 222070), (419, 193980), (530, 153354), (610, 133242), (636, 127795), (732, 111035), (795, 102236), (838, 96990), (915, 88828), (1060, 76677), (1220, 66621), (1257, 64660), (1590, 51118), (1676, 48495), (1830, 44414), (2095, 38796), (2514, 32330), (3180, 25559), (3233, 25140), (3660, 22207), (4190, 19398), (5028, 16165), (6285, 12932), (6466, 12570), (8380, 9699)]