405709760

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^2\times {\mathrm{41}}^1\times {\mathrm{107}}^1$

素因数の和:199

約数の個数: 168

約数和(自身を含む): 1061124624

約数和(自身を除く): 655414864

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 41, 64, 68, 80, 82, 85, 107, 136, 160, 164, 170, 205, 214, 272, 289, 320, 328, 340, 410, 428, 535, 544, 578, 656, 680, 697, 820, 856, 1070, 1088, 1156, 1312, 1360, 1394, 1445, 1640, 1712, 1819, 2140, 2312, 2624, 2720, 2788, 2890, 3280, 3424, 3485, 3638, 4280, 4387, 4624, 5440, 5576, 5780, 6560, 6848, 6970, 7276, 8560, 8774, 9095, 9248, 11152, 11560, 11849, 13120, 13940, 14552, 17120, 17548, 18190, 18496, 21935, 22304, 23120, 23698, 27880, 29104, 30923, 34240, 35096, 36380, 43870, 44608, 46240, 47396, 55760, 58208, 59245, 61846, 70192, 72760, 74579, 87740, 92480, 94792, 111520, 116416, 118490, 123692, 140384, 145520, 149158, 154615, 175480, 189584, 223040, 236980, 247384, 280768, 291040, 298316, 309230, 350960, 372895, 379168, 473960, 494768, 582080, 596632, 618460, 701920, 745790, 758336, 947920, 989536, 1193264, 1236920, 1267843, 1403840, 1491580, 1895840, 1979072, 2386528, 2473840, 2535686, 2983160, 3791680, 4773056, 4947680, 5071372, 5966320, 6339215, 9895360, 10142744, 11932640, 12678430, 20285488, 23865280, 25356860, 40570976, 50713720, 81141952, 101427440, 202854880, 405709760]

約数ペア:

[(1, 405709760), (2, 202854880), (4, 101427440), (5, 81141952), (8, 50713720), (10, 40570976), (16, 25356860), (17, 23865280), (20, 20285488), (32, 12678430), (34, 11932640), (40, 10142744), (41, 9895360), (64, 6339215), (68, 5966320), (80, 5071372), (82, 4947680), (85, 4773056), (107, 3791680), (136, 2983160), (160, 2535686), (164, 2473840), (170, 2386528), (205, 1979072), (214, 1895840), (272, 1491580), (289, 1403840), (320, 1267843), (328, 1236920), (340, 1193264), (410, 989536), (428, 947920), (535, 758336), (544, 745790), (578, 701920), (656, 618460), (680, 596632), (697, 582080), (820, 494768), (856, 473960), (1070, 379168), (1088, 372895), (1156, 350960), (1312, 309230), (1360, 298316), (1394, 291040), (1445, 280768), (1640, 247384), (1712, 236980), (1819, 223040), (2140, 189584), (2312, 175480), (2624, 154615), (2720, 149158), (2788, 145520), (2890, 140384), (3280, 123692), (3424, 118490), (3485, 116416), (3638, 111520), (4280, 94792), (4387, 92480), (4624, 87740), (5440, 74579), (5576, 72760), (5780, 70192), (6560, 61846), (6848, 59245), (6970, 58208), (7276, 55760), (8560, 47396), (8774, 46240), (9095, 44608), (9248, 43870), (11152, 36380), (11560, 35096), (11849, 34240), (13120, 30923), (13940, 29104), (14552, 27880), (17120, 23698), (17548, 23120), (18190, 22304), (18496, 21935)]