2000421180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{257}}^1\times {\mathrm{521}}^1$

素因数の和:876

約数の個数: 144

約数和(自身を含む): 6176780064

約数和(自身を除く): 4176358884

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 83, 90, 166, 180, 249, 257, 332, 415, 498, 514, 521, 747, 771, 830, 996, 1028, 1042, 1245, 1285, 1494, 1542, 1563, 1660, 2084, 2313, 2490, 2570, 2605, 2988, 3084, 3126, 3735, 3855, 4626, 4689, 4980, 5140, 5210, 6252, 7470, 7710, 7815, 9252, 9378, 10420, 11565, 14940, 15420, 15630, 18756, 21331, 23130, 23445, 31260, 42662, 43243, 46260, 46890, 63993, 85324, 86486, 93780, 106655, 127986, 129729, 133897, 172972, 191979, 213310, 216215, 255972, 259458, 267794, 319965, 383958, 389187, 401691, 426620, 432430, 518916, 535588, 639930, 648645, 669485, 767916, 778374, 803382, 864860, 959895, 1205073, 1279860, 1297290, 1338970, 1556748, 1606764, 1919790, 1945935, 2008455, 2410146, 2594580, 2677940, 3839580, 3891870, 4016910, 4820292, 6025365, 7783740, 8033820, 11113451, 12050730, 22226902, 24101460, 33340353, 44453804, 55567255, 66680706, 100021059, 111134510, 133361412, 166701765, 200042118, 222269020, 333403530, 400084236, 500105295, 666807060, 1000210590, 2000421180]

約数ペア:

[(1, 2000421180), (2, 1000210590), (3, 666807060), (4, 500105295), (5, 400084236), (6, 333403530), (9, 222269020), (10, 200042118), (12, 166701765), (15, 133361412), (18, 111134510), (20, 100021059), (30, 66680706), (36, 55567255), (45, 44453804), (60, 33340353), (83, 24101460), (90, 22226902), (166, 12050730), (180, 11113451), (249, 8033820), (257, 7783740), (332, 6025365), (415, 4820292), (498, 4016910), (514, 3891870), (521, 3839580), (747, 2677940), (771, 2594580), (830, 2410146), (996, 2008455), (1028, 1945935), (1042, 1919790), (1245, 1606764), (1285, 1556748), (1494, 1338970), (1542, 1297290), (1563, 1279860), (1660, 1205073), (2084, 959895), (2313, 864860), (2490, 803382), (2570, 778374), (2605, 767916), (2988, 669485), (3084, 648645), (3126, 639930), (3735, 535588), (3855, 518916), (4626, 432430), (4689, 426620), (4980, 401691), (5140, 389187), (5210, 383958), (6252, 319965), (7470, 267794), (7710, 259458), (7815, 255972), (9252, 216215), (9378, 213310), (10420, 191979), (11565, 172972), (14940, 133897), (15420, 129729), (15630, 127986), (18756, 106655), (21331, 93780), (23130, 86486), (23445, 85324), (31260, 63993), (42662, 46890), (43243, 46260)]