642313528020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{271}}^1\times {\mathrm{2239}}^1\times {\mathrm{5881}}^1$

素因数の和:8406

約数の個数: 144

約数和(自身を含む): 1956746588160

約数和(自身を除く): 1314433060140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 271, 542, 813, 1084, 1355, 1626, 2239, 2439, 2710, 3252, 4065, 4478, 4878, 5420, 5881, 6717, 8130, 8956, 9756, 11195, 11762, 12195, 13434, 16260, 17643, 20151, 22390, 23524, 24390, 26868, 29405, 33585, 35286, 40302, 44780, 48780, 52929, 58810, 67170, 70572, 80604, 88215, 100755, 105858, 117620, 134340, 176430, 201510, 211716, 264645, 352860, 403020, 529290, 606769, 1058580, 1213538, 1593751, 1820307, 2427076, 3033845, 3187502, 3640614, 4781253, 5460921, 6067690, 6375004, 7281228, 7968755, 9101535, 9562506, 10921842, 12135380, 13167559, 14343759, 15937510, 18203070, 19125012, 21843684, 23906265, 26335118, 27304605, 28687518, 31875020, 36406140, 39502677, 47812530, 52670236, 54609210, 57375036, 65837795, 71718795, 79005354, 95625060, 109218420, 118508031, 131675590, 143437590, 158010708, 197513385, 237016062, 263351180, 286875180, 395026770, 474032124, 592540155, 790053540, 1185080310, 2370160620, 3568408489, 7136816978, 10705225467, 14273633956, 17842042445, 21410450934, 32115676401, 35684084890, 42820901868, 53526127335, 64231352802, 71368169780, 107052254670, 128462705604, 160578382005, 214104509340, 321156764010, 642313528020]

約数ペア:

[(1, 642313528020), (2, 321156764010), (3, 214104509340), (4, 160578382005), (5, 128462705604), (6, 107052254670), (9, 71368169780), (10, 64231352802), (12, 53526127335), (15, 42820901868), (18, 35684084890), (20, 32115676401), (30, 21410450934), (36, 17842042445), (45, 14273633956), (60, 10705225467), (90, 7136816978), (180, 3568408489), (271, 2370160620), (542, 1185080310), (813, 790053540), (1084, 592540155), (1355, 474032124), (1626, 395026770), (2239, 286875180), (2439, 263351180), (2710, 237016062), (3252, 197513385), (4065, 158010708), (4478, 143437590), (4878, 131675590), (5420, 118508031), (5881, 109218420), (6717, 95625060), (8130, 79005354), (8956, 71718795), (9756, 65837795), (11195, 57375036), (11762, 54609210), (12195, 52670236), (13434, 47812530), (16260, 39502677), (17643, 36406140), (20151, 31875020), (22390, 28687518), (23524, 27304605), (24390, 26335118), (26868, 23906265), (29405, 21843684), (33585, 19125012), (35286, 18203070), (40302, 15937510), (44780, 14343759), (48780, 13167559), (52929, 12135380), (58810, 10921842), (67170, 9562506), (70572, 9101535), (80604, 7968755), (88215, 7281228), (100755, 6375004), (105858, 6067690), (117620, 5460921), (134340, 4781253), (176430, 3640614), (201510, 3187502), (211716, 3033845), (264645, 2427076), (352860, 1820307), (403020, 1593751), (529290, 1213538), (606769, 1058580)]