321024800

素因数分解:

$2^5\times 5^2\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{239}}^1$

素因数の和:355

約数の個数: 144

約数和(自身を含む): 832446720

約数和(自身を除く): 511421920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 32, 40, 46, 50, 73, 80, 92, 100, 115, 146, 160, 184, 200, 230, 239, 292, 365, 368, 400, 460, 478, 575, 584, 730, 736, 800, 920, 956, 1150, 1168, 1195, 1460, 1679, 1825, 1840, 1912, 2300, 2336, 2390, 2920, 3358, 3650, 3680, 3824, 4600, 4780, 5497, 5840, 5975, 6716, 7300, 7648, 8395, 9200, 9560, 10994, 11680, 11950, 13432, 14600, 16790, 17447, 18400, 19120, 21988, 23900, 26864, 27485, 29200, 33580, 34894, 38240, 41975, 43976, 47800, 53728, 54970, 58400, 67160, 69788, 83950, 87235, 87952, 95600, 109940, 134320, 137425, 139576, 167900, 174470, 175904, 191200, 219880, 268640, 274850, 279152, 335800, 348940, 401281, 436175, 439760, 549700, 558304, 671600, 697880, 802562, 872350, 879520, 1099400, 1343200, 1395760, 1605124, 1744700, 2006405, 2198800, 2791520, 3210248, 3489400, 4012810, 4397600, 6420496, 6978800, 8025620, 10032025, 12840992, 13957600, 16051240, 20064050, 32102480, 40128100, 64204960, 80256200, 160512400, 321024800]

約数ペア:

[(1, 321024800), (2, 160512400), (4, 80256200), (5, 64204960), (8, 40128100), (10, 32102480), (16, 20064050), (20, 16051240), (23, 13957600), (25, 12840992), (32, 10032025), (40, 8025620), (46, 6978800), (50, 6420496), (73, 4397600), (80, 4012810), (92, 3489400), (100, 3210248), (115, 2791520), (146, 2198800), (160, 2006405), (184, 1744700), (200, 1605124), (230, 1395760), (239, 1343200), (292, 1099400), (365, 879520), (368, 872350), (400, 802562), (460, 697880), (478, 671600), (575, 558304), (584, 549700), (730, 439760), (736, 436175), (800, 401281), (920, 348940), (956, 335800), (1150, 279152), (1168, 274850), (1195, 268640), (1460, 219880), (1679, 191200), (1825, 175904), (1840, 174470), (1912, 167900), (2300, 139576), (2336, 137425), (2390, 134320), (2920, 109940), (3358, 95600), (3650, 87952), (3680, 87235), (3824, 83950), (4600, 69788), (4780, 67160), (5497, 58400), (5840, 54970), (5975, 53728), (6716, 47800), (7300, 43976), (7648, 41975), (8395, 38240), (9200, 34894), (9560, 33580), (10994, 29200), (11680, 27485), (11950, 26864), (13432, 23900), (14600, 21988), (16790, 19120), (17447, 18400)]