15575152040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{331}}^1\times {\mathrm{1031}}^1$

素因数の和:1543

約数の個数: 128

約数和(自身を含む): 40457041920

約数和(自身を除く): 24881889880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 163, 280, 326, 331, 652, 662, 815, 1031, 1141, 1304, 1324, 1630, 1655, 2062, 2282, 2317, 2648, 3260, 3310, 4124, 4564, 4634, 5155, 5705, 6520, 6620, 7217, 8248, 9128, 9268, 10310, 11410, 11585, 13240, 14434, 18536, 20620, 22820, 23170, 28868, 36085, 41240, 45640, 46340, 53953, 57736, 72170, 92680, 107906, 144340, 168053, 215812, 269765, 288680, 336106, 341261, 377671, 431624, 539530, 672212, 682522, 755342, 840265, 1079060, 1176371, 1344424, 1365044, 1510684, 1680530, 1706305, 1888355, 2158120, 2352742, 2388827, 2730088, 3021368, 3361060, 3412610, 3776710, 4705484, 4777654, 5881855, 6722120, 6825220, 7553420, 9410968, 9555308, 11763710, 11944135, 13650440, 15106840, 19110616, 23527420, 23888270, 47054840, 47776540, 55625543, 95553080, 111251086, 222502172, 278127715, 389378801, 445004344, 556255430, 778757602, 1112510860, 1557515204, 1946894005, 2225021720, 3115030408, 3893788010, 7787576020, 15575152040]

約数ペア:

[(1, 15575152040), (2, 7787576020), (4, 3893788010), (5, 3115030408), (7, 2225021720), (8, 1946894005), (10, 1557515204), (14, 1112510860), (20, 778757602), (28, 556255430), (35, 445004344), (40, 389378801), (56, 278127715), (70, 222502172), (140, 111251086), (163, 95553080), (280, 55625543), (326, 47776540), (331, 47054840), (652, 23888270), (662, 23527420), (815, 19110616), (1031, 15106840), (1141, 13650440), (1304, 11944135), (1324, 11763710), (1630, 9555308), (1655, 9410968), (2062, 7553420), (2282, 6825220), (2317, 6722120), (2648, 5881855), (3260, 4777654), (3310, 4705484), (4124, 3776710), (4564, 3412610), (4634, 3361060), (5155, 3021368), (5705, 2730088), (6520, 2388827), (6620, 2352742), (7217, 2158120), (8248, 1888355), (9128, 1706305), (9268, 1680530), (10310, 1510684), (11410, 1365044), (11585, 1344424), (13240, 1176371), (14434, 1079060), (18536, 840265), (20620, 755342), (22820, 682522), (23170, 672212), (28868, 539530), (36085, 431624), (41240, 377671), (45640, 341261), (46340, 336106), (53953, 288680), (57736, 269765), (72170, 215812), (92680, 168053), (107906, 144340)]