161520240

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1217}}^1$

素因数の和:1319

約数の個数: 160

約数和(自身を含む): 579962880

約数和(自身を除く): 418442640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 79, 80, 84, 105, 112, 120, 140, 158, 168, 210, 237, 240, 280, 316, 336, 395, 420, 474, 553, 560, 632, 790, 840, 948, 1106, 1185, 1217, 1264, 1580, 1659, 1680, 1896, 2212, 2370, 2434, 2765, 3160, 3318, 3651, 3792, 4424, 4740, 4868, 5530, 6085, 6320, 6636, 7302, 8295, 8519, 8848, 9480, 9736, 11060, 12170, 13272, 14604, 16590, 17038, 18255, 18960, 19472, 22120, 24340, 25557, 26544, 29208, 33180, 34076, 36510, 42595, 44240, 48680, 51114, 58416, 66360, 68152, 73020, 85190, 96143, 97360, 102228, 127785, 132720, 136304, 146040, 170380, 192286, 204456, 255570, 288429, 292080, 340760, 384572, 408912, 480715, 511140, 576858, 673001, 681520, 769144, 961430, 1022280, 1153716, 1346002, 1442145, 1538288, 1922860, 2019003, 2044560, 2307432, 2692004, 2884290, 3365005, 3845720, 4038006, 4614864, 5384008, 5768580, 6730010, 7691440, 8076012, 10095015, 10768016, 11537160, 13460020, 16152024, 20190030, 23074320, 26920040, 32304048, 40380060, 53840080, 80760120, 161520240]

約数ペア:

[(1, 161520240), (2, 80760120), (3, 53840080), (4, 40380060), (5, 32304048), (6, 26920040), (7, 23074320), (8, 20190030), (10, 16152024), (12, 13460020), (14, 11537160), (15, 10768016), (16, 10095015), (20, 8076012), (21, 7691440), (24, 6730010), (28, 5768580), (30, 5384008), (35, 4614864), (40, 4038006), (42, 3845720), (48, 3365005), (56, 2884290), (60, 2692004), (70, 2307432), (79, 2044560), (80, 2019003), (84, 1922860), (105, 1538288), (112, 1442145), (120, 1346002), (140, 1153716), (158, 1022280), (168, 961430), (210, 769144), (237, 681520), (240, 673001), (280, 576858), (316, 511140), (336, 480715), (395, 408912), (420, 384572), (474, 340760), (553, 292080), (560, 288429), (632, 255570), (790, 204456), (840, 192286), (948, 170380), (1106, 146040), (1185, 136304), (1217, 132720), (1264, 127785), (1580, 102228), (1659, 97360), (1680, 96143), (1896, 85190), (2212, 73020), (2370, 68152), (2434, 66360), (2765, 58416), (3160, 51114), (3318, 48680), (3651, 44240), (3792, 42595), (4424, 36510), (4740, 34076), (4868, 33180), (5530, 29208), (6085, 26544), (6320, 25557), (6636, 24340), (7302, 22120), (8295, 19472), (8519, 18960), (8848, 18255), (9480, 17038), (9736, 16590), (11060, 14604), (12170, 13272)]