89806640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{239}}^1$

素因数の和:331

約数の個数: 160

約数和(自身を含む): 265697280

約数和(自身を除く): 175890640

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 61, 70, 77, 80, 88, 110, 112, 122, 140, 154, 176, 220, 239, 244, 280, 305, 308, 385, 427, 440, 478, 488, 560, 610, 616, 671, 770, 854, 880, 956, 976, 1195, 1220, 1232, 1342, 1540, 1673, 1708, 1912, 2135, 2390, 2440, 2629, 2684, 3080, 3346, 3355, 3416, 3824, 4270, 4697, 4780, 4880, 5258, 5368, 6160, 6692, 6710, 6832, 8365, 8540, 9394, 9560, 10516, 10736, 13145, 13384, 13420, 14579, 16730, 17080, 18403, 18788, 19120, 21032, 23485, 26290, 26768, 26840, 29158, 33460, 34160, 36806, 37576, 42064, 46970, 52580, 53680, 58316, 66920, 72895, 73612, 75152, 92015, 93940, 102053, 105160, 116632, 133840, 145790, 147224, 160369, 184030, 187880, 204106, 210320, 233264, 291580, 294448, 320738, 368060, 375760, 408212, 510265, 583160, 641476, 736120, 801845, 816424, 1020530, 1122583, 1166320, 1282952, 1472240, 1603690, 1632848, 2041060, 2245166, 2565904, 3207380, 4082120, 4490332, 5612915, 6414760, 8164240, 8980664, 11225830, 12829520, 17961328, 22451660, 44903320, 89806640]

約数ペア:

[(1, 89806640), (2, 44903320), (4, 22451660), (5, 17961328), (7, 12829520), (8, 11225830), (10, 8980664), (11, 8164240), (14, 6414760), (16, 5612915), (20, 4490332), (22, 4082120), (28, 3207380), (35, 2565904), (40, 2245166), (44, 2041060), (55, 1632848), (56, 1603690), (61, 1472240), (70, 1282952), (77, 1166320), (80, 1122583), (88, 1020530), (110, 816424), (112, 801845), (122, 736120), (140, 641476), (154, 583160), (176, 510265), (220, 408212), (239, 375760), (244, 368060), (280, 320738), (305, 294448), (308, 291580), (385, 233264), (427, 210320), (440, 204106), (478, 187880), (488, 184030), (560, 160369), (610, 147224), (616, 145790), (671, 133840), (770, 116632), (854, 105160), (880, 102053), (956, 93940), (976, 92015), (1195, 75152), (1220, 73612), (1232, 72895), (1342, 66920), (1540, 58316), (1673, 53680), (1708, 52580), (1912, 46970), (2135, 42064), (2390, 37576), (2440, 36806), (2629, 34160), (2684, 33460), (3080, 29158), (3346, 26840), (3355, 26768), (3416, 26290), (3824, 23485), (4270, 21032), (4697, 19120), (4780, 18788), (4880, 18403), (5258, 17080), (5368, 16730), (6160, 14579), (6692, 13420), (6710, 13384), (6832, 13145), (8365, 10736), (8540, 10516), (9394, 9560)]