1211700780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{45179}}^1$

素因数の和:45343

約数の個数: 72

約数和(自身を含む): 3700242000

約数和(自身を除く): 2488541220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 149, 180, 298, 447, 596, 745, 894, 1341, 1490, 1788, 2235, 2682, 2980, 4470, 5364, 6705, 8940, 13410, 26820, 45179, 90358, 135537, 180716, 225895, 271074, 406611, 451790, 542148, 677685, 813222, 903580, 1355370, 1626444, 2033055, 2710740, 4066110, 6731671, 8132220, 13463342, 20195013, 26926684, 33658355, 40390026, 60585039, 67316710, 80780052, 100975065, 121170078, 134633420, 201950130, 242340156, 302925195, 403900260, 605850390, 1211700780]

約数ペア:

[(1, 1211700780), (2, 605850390), (3, 403900260), (4, 302925195), (5, 242340156), (6, 201950130), (9, 134633420), (10, 121170078), (12, 100975065), (15, 80780052), (18, 67316710), (20, 60585039), (30, 40390026), (36, 33658355), (45, 26926684), (60, 20195013), (90, 13463342), (149, 8132220), (180, 6731671), (298, 4066110), (447, 2710740), (596, 2033055), (745, 1626444), (894, 1355370), (1341, 903580), (1490, 813222), (1788, 677685), (2235, 542148), (2682, 451790), (2980, 406611), (4470, 271074), (5364, 225895), (6705, 180716), (8940, 135537), (13410, 90358), (26820, 45179)]