180390420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{2347}}^1$

素因数の和:2430

約数の個数: 144

約数和(自身を含む): 635875968

約数和(自身を除く): 455485548

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 61, 63, 70, 84, 90, 105, 122, 126, 140, 180, 183, 210, 244, 252, 305, 315, 366, 420, 427, 549, 610, 630, 732, 854, 915, 1098, 1220, 1260, 1281, 1708, 1830, 2135, 2196, 2347, 2562, 2745, 3660, 3843, 4270, 4694, 5124, 5490, 6405, 7041, 7686, 8540, 9388, 10980, 11735, 12810, 14082, 15372, 16429, 19215, 21123, 23470, 25620, 28164, 32858, 35205, 38430, 42246, 46940, 49287, 65716, 70410, 76860, 82145, 84492, 98574, 105615, 140820, 143167, 147861, 164290, 197148, 211230, 246435, 286334, 295722, 328580, 422460, 429501, 492870, 572668, 591444, 715835, 739305, 859002, 985740, 1002169, 1288503, 1431670, 1478610, 1718004, 2004338, 2147505, 2577006, 2863340, 2957220, 3006507, 4008676, 4295010, 5010845, 5154012, 6013014, 6442515, 8590020, 9019521, 10021690, 12026028, 12885030, 15032535, 18039042, 20043380, 25770060, 30065070, 36078084, 45097605, 60130140, 90195210, 180390420]

約数ペア:

[(1, 180390420), (2, 90195210), (3, 60130140), (4, 45097605), (5, 36078084), (6, 30065070), (7, 25770060), (9, 20043380), (10, 18039042), (12, 15032535), (14, 12885030), (15, 12026028), (18, 10021690), (20, 9019521), (21, 8590020), (28, 6442515), (30, 6013014), (35, 5154012), (36, 5010845), (42, 4295010), (45, 4008676), (60, 3006507), (61, 2957220), (63, 2863340), (70, 2577006), (84, 2147505), (90, 2004338), (105, 1718004), (122, 1478610), (126, 1431670), (140, 1288503), (180, 1002169), (183, 985740), (210, 859002), (244, 739305), (252, 715835), (305, 591444), (315, 572668), (366, 492870), (420, 429501), (427, 422460), (549, 328580), (610, 295722), (630, 286334), (732, 246435), (854, 211230), (915, 197148), (1098, 164290), (1220, 147861), (1260, 143167), (1281, 140820), (1708, 105615), (1830, 98574), (2135, 84492), (2196, 82145), (2347, 76860), (2562, 70410), (2745, 65716), (3660, 49287), (3843, 46940), (4270, 42246), (4694, 38430), (5124, 35205), (5490, 32858), (6405, 28164), (7041, 25620), (7686, 23470), (8540, 21123), (9388, 19215), (10980, 16429), (11735, 15372), (12810, 14082)]