461520800

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{223}}^1$

素因数の和:455

約数の個数: 144

約数和(自身を含む): 1224921600

約数和(自身を除く): 763400800

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 65, 80, 100, 104, 130, 160, 199, 200, 208, 223, 260, 325, 398, 400, 416, 446, 520, 650, 796, 800, 892, 995, 1040, 1115, 1300, 1592, 1784, 1990, 2080, 2230, 2587, 2600, 2899, 3184, 3568, 3980, 4460, 4975, 5174, 5200, 5575, 5798, 6368, 7136, 7960, 8920, 9950, 10348, 10400, 11150, 11596, 12935, 14495, 15920, 17840, 19900, 20696, 22300, 23192, 25870, 28990, 31840, 35680, 39800, 41392, 44377, 44600, 46384, 51740, 57980, 64675, 72475, 79600, 82784, 88754, 89200, 92768, 103480, 115960, 129350, 144950, 159200, 177508, 178400, 206960, 221885, 231920, 258700, 289900, 355016, 413920, 443770, 463840, 517400, 576901, 579800, 710032, 887540, 1034800, 1109425, 1153802, 1159600, 1420064, 1775080, 2069600, 2218850, 2307604, 2319200, 2884505, 3550160, 4437700, 4615208, 5769010, 7100320, 8875400, 9230416, 11538020, 14422525, 17750800, 18460832, 23076040, 28845050, 35501600, 46152080, 57690100, 92304160, 115380200, 230760400, 461520800]

約数ペア:

[(1, 461520800), (2, 230760400), (4, 115380200), (5, 92304160), (8, 57690100), (10, 46152080), (13, 35501600), (16, 28845050), (20, 23076040), (25, 18460832), (26, 17750800), (32, 14422525), (40, 11538020), (50, 9230416), (52, 8875400), (65, 7100320), (80, 5769010), (100, 4615208), (104, 4437700), (130, 3550160), (160, 2884505), (199, 2319200), (200, 2307604), (208, 2218850), (223, 2069600), (260, 1775080), (325, 1420064), (398, 1159600), (400, 1153802), (416, 1109425), (446, 1034800), (520, 887540), (650, 710032), (796, 579800), (800, 576901), (892, 517400), (995, 463840), (1040, 443770), (1115, 413920), (1300, 355016), (1592, 289900), (1784, 258700), (1990, 231920), (2080, 221885), (2230, 206960), (2587, 178400), (2600, 177508), (2899, 159200), (3184, 144950), (3568, 129350), (3980, 115960), (4460, 103480), (4975, 92768), (5174, 89200), (5200, 88754), (5575, 82784), (5798, 79600), (6368, 72475), (7136, 64675), (7960, 57980), (8920, 51740), (9950, 46384), (10348, 44600), (10400, 44377), (11150, 41392), (11596, 39800), (12935, 35680), (14495, 31840), (15920, 28990), (17840, 25870), (19900, 23192), (20696, 22300)]