644716980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{1093}}^1$

素因数の和:1250

約数の個数: 144

約数和(自身を含む): 2042848080

約数和(自身を除く): 1398131100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 113, 116, 145, 174, 180, 226, 261, 290, 339, 348, 435, 452, 522, 565, 580, 678, 870, 1017, 1044, 1093, 1130, 1305, 1356, 1695, 1740, 2034, 2186, 2260, 2610, 3277, 3279, 3390, 4068, 4372, 5085, 5220, 5465, 6554, 6558, 6780, 9831, 9837, 10170, 10930, 13108, 13116, 16385, 16395, 19662, 19674, 20340, 21860, 29493, 31697, 32770, 32790, 39324, 39348, 49155, 49185, 58986, 63394, 65540, 65580, 95091, 98310, 98370, 117972, 123509, 126788, 147465, 158485, 190182, 196620, 196740, 247018, 285273, 294930, 316970, 370527, 380364, 475455, 494036, 570546, 589860, 617545, 633940, 741054, 950910, 1111581, 1141092, 1235090, 1426365, 1482108, 1852635, 1901820, 2223162, 2470180, 2852730, 3581761, 3705270, 4446324, 5557905, 5705460, 7163522, 7410540, 10745283, 11115810, 14327044, 17908805, 21490566, 22231620, 32235849, 35817610, 42981132, 53726415, 64471698, 71635220, 107452830, 128943396, 161179245, 214905660, 322358490, 644716980]

約数ペア:

[(1, 644716980), (2, 322358490), (3, 214905660), (4, 161179245), (5, 128943396), (6, 107452830), (9, 71635220), (10, 64471698), (12, 53726415), (15, 42981132), (18, 35817610), (20, 32235849), (29, 22231620), (30, 21490566), (36, 17908805), (45, 14327044), (58, 11115810), (60, 10745283), (87, 7410540), (90, 7163522), (113, 5705460), (116, 5557905), (145, 4446324), (174, 3705270), (180, 3581761), (226, 2852730), (261, 2470180), (290, 2223162), (339, 1901820), (348, 1852635), (435, 1482108), (452, 1426365), (522, 1235090), (565, 1141092), (580, 1111581), (678, 950910), (870, 741054), (1017, 633940), (1044, 617545), (1093, 589860), (1130, 570546), (1305, 494036), (1356, 475455), (1695, 380364), (1740, 370527), (2034, 316970), (2186, 294930), (2260, 285273), (2610, 247018), (3277, 196740), (3279, 196620), (3390, 190182), (4068, 158485), (4372, 147465), (5085, 126788), (5220, 123509), (5465, 117972), (6554, 98370), (6558, 98310), (6780, 95091), (9831, 65580), (9837, 65540), (10170, 63394), (10930, 58986), (13108, 49185), (13116, 49155), (16385, 39348), (16395, 39324), (19662, 32790), (19674, 32770), (20340, 31697), (21860, 29493)]