218789160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{389}}^1$

素因数の和:555

約数の個数: 128

約数和(自身を含む): 679536000

約数和(自身を除く): 460746840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 109, 120, 129, 172, 215, 218, 258, 327, 344, 389, 430, 436, 516, 545, 645, 654, 778, 860, 872, 1032, 1090, 1167, 1290, 1308, 1556, 1635, 1720, 1945, 2180, 2334, 2580, 2616, 3112, 3270, 3890, 4360, 4668, 4687, 5160, 5835, 6540, 7780, 9336, 9374, 11670, 13080, 14061, 15560, 16727, 18748, 23340, 23435, 28122, 33454, 37496, 42401, 46680, 46870, 50181, 56244, 66908, 70305, 83635, 84802, 93740, 100362, 112488, 127203, 133816, 140610, 167270, 169604, 187480, 200724, 212005, 250905, 254406, 281220, 334540, 339208, 401448, 424010, 501810, 508812, 562440, 636015, 669080, 848020, 1003620, 1017624, 1272030, 1696040, 1823243, 2007240, 2544060, 3646486, 5088120, 5469729, 7292972, 9116215, 10939458, 14585944, 18232430, 21878916, 27348645, 36464860, 43757832, 54697290, 72929720, 109394580, 218789160]

約数ペア:

[(1, 218789160), (2, 109394580), (3, 72929720), (4, 54697290), (5, 43757832), (6, 36464860), (8, 27348645), (10, 21878916), (12, 18232430), (15, 14585944), (20, 10939458), (24, 9116215), (30, 7292972), (40, 5469729), (43, 5088120), (60, 3646486), (86, 2544060), (109, 2007240), (120, 1823243), (129, 1696040), (172, 1272030), (215, 1017624), (218, 1003620), (258, 848020), (327, 669080), (344, 636015), (389, 562440), (430, 508812), (436, 501810), (516, 424010), (545, 401448), (645, 339208), (654, 334540), (778, 281220), (860, 254406), (872, 250905), (1032, 212005), (1090, 200724), (1167, 187480), (1290, 169604), (1308, 167270), (1556, 140610), (1635, 133816), (1720, 127203), (1945, 112488), (2180, 100362), (2334, 93740), (2580, 84802), (2616, 83635), (3112, 70305), (3270, 66908), (3890, 56244), (4360, 50181), (4668, 46870), (4687, 46680), (5160, 42401), (5835, 37496), (6540, 33454), (7780, 28122), (9336, 23435), (9374, 23340), (11670, 18748), (13080, 16727), (14061, 15560)]