77971520

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1303}}^1$

素因数の和:1348

約数の個数: 112

約数和(自身を含む): 214627968

約数和(自身を除く): 136656448

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 32, 34, 40, 44, 55, 64, 68, 80, 85, 88, 110, 136, 160, 170, 176, 187, 220, 272, 320, 340, 352, 374, 440, 544, 680, 704, 748, 880, 935, 1088, 1303, 1360, 1496, 1760, 1870, 2606, 2720, 2992, 3520, 3740, 5212, 5440, 5984, 6515, 7480, 10424, 11968, 13030, 14333, 14960, 20848, 22151, 26060, 28666, 29920, 41696, 44302, 52120, 57332, 59840, 71665, 83392, 88604, 104240, 110755, 114664, 143330, 177208, 208480, 221510, 229328, 243661, 286660, 354416, 416960, 443020, 458656, 487322, 573320, 708832, 886040, 917312, 974644, 1146640, 1218305, 1417664, 1772080, 1949288, 2293280, 2436610, 3544160, 3898576, 4586560, 4873220, 7088320, 7797152, 9746440, 15594304, 19492880, 38985760, 77971520]

約数ペア:

[(1, 77971520), (2, 38985760), (4, 19492880), (5, 15594304), (8, 9746440), (10, 7797152), (11, 7088320), (16, 4873220), (17, 4586560), (20, 3898576), (22, 3544160), (32, 2436610), (34, 2293280), (40, 1949288), (44, 1772080), (55, 1417664), (64, 1218305), (68, 1146640), (80, 974644), (85, 917312), (88, 886040), (110, 708832), (136, 573320), (160, 487322), (170, 458656), (176, 443020), (187, 416960), (220, 354416), (272, 286660), (320, 243661), (340, 229328), (352, 221510), (374, 208480), (440, 177208), (544, 143330), (680, 114664), (704, 110755), (748, 104240), (880, 88604), (935, 83392), (1088, 71665), (1303, 59840), (1360, 57332), (1496, 52120), (1760, 44302), (1870, 41696), (2606, 29920), (2720, 28666), (2992, 26060), (3520, 22151), (3740, 20848), (5212, 14960), (5440, 14333), (5984, 13030), (6515, 11968), (7480, 10424)]