71520400

素因数分解:

$2^4\times 5^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{89}}^1$

素因数の和:162

約数の個数: 180

約数和(自身を含む): 207057060

約数和(自身を除く): 135536660

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 41, 49, 50, 56, 70, 80, 82, 89, 98, 100, 112, 140, 164, 175, 178, 196, 200, 205, 245, 280, 287, 328, 350, 356, 392, 400, 410, 445, 490, 560, 574, 623, 656, 700, 712, 784, 820, 890, 980, 1025, 1148, 1225, 1246, 1400, 1424, 1435, 1640, 1780, 1960, 2009, 2050, 2225, 2296, 2450, 2492, 2800, 2870, 3115, 3280, 3560, 3649, 3920, 4018, 4100, 4361, 4450, 4592, 4900, 4984, 5740, 6230, 7120, 7175, 7298, 8036, 8200, 8722, 8900, 9800, 9968, 10045, 11480, 12460, 14350, 14596, 15575, 16072, 16400, 17444, 17800, 18245, 19600, 20090, 21805, 22960, 24920, 25543, 28700, 29192, 31150, 32144, 34888, 35600, 36490, 40180, 43610, 49840, 50225, 51086, 57400, 58384, 62300, 69776, 72980, 80360, 87220, 91225, 100450, 102172, 109025, 114800, 124600, 127715, 145960, 160720, 174440, 178801, 182450, 200900, 204344, 218050, 249200, 255430, 291920, 348880, 357602, 364900, 401800, 408688, 436100, 510860, 638575, 715204, 729800, 803600, 872200, 894005, 1021720, 1277150, 1430408, 1459600, 1744400, 1788010, 2043440, 2554300, 2860816, 3576020, 4470025, 5108600, 7152040, 8940050, 10217200, 14304080, 17880100, 35760200, 71520400]

約数ペア:

[(1, 71520400), (2, 35760200), (4, 17880100), (5, 14304080), (7, 10217200), (8, 8940050), (10, 7152040), (14, 5108600), (16, 4470025), (20, 3576020), (25, 2860816), (28, 2554300), (35, 2043440), (40, 1788010), (41, 1744400), (49, 1459600), (50, 1430408), (56, 1277150), (70, 1021720), (80, 894005), (82, 872200), (89, 803600), (98, 729800), (100, 715204), (112, 638575), (140, 510860), (164, 436100), (175, 408688), (178, 401800), (196, 364900), (200, 357602), (205, 348880), (245, 291920), (280, 255430), (287, 249200), (328, 218050), (350, 204344), (356, 200900), (392, 182450), (400, 178801), (410, 174440), (445, 160720), (490, 145960), (560, 127715), (574, 124600), (623, 114800), (656, 109025), (700, 102172), (712, 100450), (784, 91225), (820, 87220), (890, 80360), (980, 72980), (1025, 69776), (1148, 62300), (1225, 58384), (1246, 57400), (1400, 51086), (1424, 50225), (1435, 49840), (1640, 43610), (1780, 40180), (1960, 36490), (2009, 35600), (2050, 34888), (2225, 32144), (2296, 31150), (2450, 29192), (2492, 28700), (2800, 25543), (2870, 24920), (3115, 22960), (3280, 21805), (3560, 20090), (3649, 19600), (3920, 18245), (4018, 17800), (4100, 17444), (4361, 16400), (4450, 16072), (4592, 15575), (4900, 14596), (4984, 14350), (5740, 12460), (6230, 11480), (7120, 10045), (7175, 9968), (7298, 9800), (8036, 8900), (8200, 8722)]