1901408735

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:288

約数の個数: 64

約数和(自身を含む): 2536980480

約数和(自身を除く): 635571745

約数列:

[1, 5, 23, 47, 61, 73, 79, 115, 235, 305, 365, 395, 1081, 1403, 1679, 1817, 2867, 3431, 3713, 4453, 4819, 5405, 5767, 7015, 8395, 9085, 14335, 17155, 18565, 22265, 24095, 28835, 65941, 78913, 85399, 102419, 110837, 132641, 209291, 226493, 271049, 329705, 351787, 394565, 426995, 512095, 554185, 663205, 1046455, 1132465, 1355245, 1758935, 4813693, 5209339, 6234127, 8091101, 16533989, 24068465, 26046695, 31170635, 40455505, 82669945, 380281747, 1901408735]

約数ペア:

[(1, 1901408735), (5, 380281747), (23, 82669945), (47, 40455505), (61, 31170635), (73, 26046695), (79, 24068465), (115, 16533989), (235, 8091101), (305, 6234127), (365, 5209339), (395, 4813693), (1081, 1758935), (1403, 1355245), (1679, 1132465), (1817, 1046455), (2867, 663205), (3431, 554185), (3713, 512095), (4453, 426995), (4819, 394565), (5405, 351787), (5767, 329705), (7015, 271049), (8395, 226493), (9085, 209291), (14335, 132641), (17155, 110837), (18565, 102419), (22265, 85399), (24095, 78913), (28835, 65941)]