81713808

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{653}}^1$

素因数の和:757

約数の個数: 120

約数和(自身を含む): 253019520

約数和(自身を除く): 171305712

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 33, 36, 44, 48, 66, 72, 79, 88, 99, 132, 144, 158, 176, 198, 237, 264, 316, 396, 474, 528, 632, 653, 711, 792, 869, 948, 1264, 1306, 1422, 1584, 1738, 1896, 1959, 2607, 2612, 2844, 3476, 3792, 3918, 5214, 5224, 5688, 5877, 6952, 7183, 7821, 7836, 10428, 10448, 11376, 11754, 13904, 14366, 15642, 15672, 20856, 21549, 23508, 28732, 31284, 31344, 41712, 43098, 47016, 51587, 57464, 62568, 64647, 86196, 94032, 103174, 114928, 125136, 129294, 154761, 172392, 206348, 258588, 309522, 344784, 412696, 464283, 517176, 567457, 619044, 825392, 928566, 1034352, 1134914, 1238088, 1702371, 1857132, 2269828, 2476176, 3404742, 3714264, 4539656, 5107113, 6809484, 7428528, 9079312, 10214226, 13618968, 20428452, 27237936, 40856904, 81713808]

約数ペア:

[(1, 81713808), (2, 40856904), (3, 27237936), (4, 20428452), (6, 13618968), (8, 10214226), (9, 9079312), (11, 7428528), (12, 6809484), (16, 5107113), (18, 4539656), (22, 3714264), (24, 3404742), (33, 2476176), (36, 2269828), (44, 1857132), (48, 1702371), (66, 1238088), (72, 1134914), (79, 1034352), (88, 928566), (99, 825392), (132, 619044), (144, 567457), (158, 517176), (176, 464283), (198, 412696), (237, 344784), (264, 309522), (316, 258588), (396, 206348), (474, 172392), (528, 154761), (632, 129294), (653, 125136), (711, 114928), (792, 103174), (869, 94032), (948, 86196), (1264, 64647), (1306, 62568), (1422, 57464), (1584, 51587), (1738, 47016), (1896, 43098), (1959, 41712), (2607, 31344), (2612, 31284), (2844, 28732), (3476, 23508), (3792, 21549), (3918, 20856), (5214, 15672), (5224, 15642), (5688, 14366), (5877, 13904), (6952, 11754), (7183, 11376), (7821, 10448), (7836, 10428)]