72683840

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{431}}^1$

素因数の和:496

約数の個数: 112

約数和(自身を含む): 189609984

約数和(自身を除く): 116926144

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 32, 34, 40, 62, 64, 68, 80, 85, 124, 136, 155, 160, 170, 248, 272, 310, 320, 340, 431, 496, 527, 544, 620, 680, 862, 992, 1054, 1088, 1240, 1360, 1724, 1984, 2108, 2155, 2480, 2635, 2720, 3448, 4216, 4310, 4960, 5270, 5440, 6896, 7327, 8432, 8620, 9920, 10540, 13361, 13792, 14654, 16864, 17240, 21080, 26722, 27584, 29308, 33728, 34480, 36635, 42160, 53444, 58616, 66805, 68960, 73270, 84320, 106888, 117232, 133610, 137920, 146540, 168640, 213776, 227137, 234464, 267220, 293080, 427552, 454274, 468928, 534440, 586160, 855104, 908548, 1068880, 1135685, 1172320, 1817096, 2137760, 2271370, 2344640, 3634192, 4275520, 4542740, 7268384, 9085480, 14536768, 18170960, 36341920, 72683840]

約数ペア:

[(1, 72683840), (2, 36341920), (4, 18170960), (5, 14536768), (8, 9085480), (10, 7268384), (16, 4542740), (17, 4275520), (20, 3634192), (31, 2344640), (32, 2271370), (34, 2137760), (40, 1817096), (62, 1172320), (64, 1135685), (68, 1068880), (80, 908548), (85, 855104), (124, 586160), (136, 534440), (155, 468928), (160, 454274), (170, 427552), (248, 293080), (272, 267220), (310, 234464), (320, 227137), (340, 213776), (431, 168640), (496, 146540), (527, 137920), (544, 133610), (620, 117232), (680, 106888), (862, 84320), (992, 73270), (1054, 68960), (1088, 66805), (1240, 58616), (1360, 53444), (1724, 42160), (1984, 36635), (2108, 34480), (2155, 33728), (2480, 29308), (2635, 27584), (2720, 26722), (3448, 21080), (4216, 17240), (4310, 16864), (4960, 14654), (5270, 13792), (5440, 13361), (6896, 10540), (7327, 9920), (8432, 8620)]