261567452940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{1997003}}^1$

素因数の和:1997111

約数の個数: 96

約数和(自身を含む): 764932412160

約数和(自身を除く): 503364959220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 59, 60, 74, 111, 118, 148, 177, 185, 222, 236, 295, 354, 370, 444, 555, 590, 708, 740, 885, 1110, 1180, 1770, 2183, 2220, 3540, 4366, 6549, 8732, 10915, 13098, 21830, 26196, 32745, 43660, 65490, 130980, 1997003, 3994006, 5991009, 7988012, 9985015, 11982018, 19970030, 23964036, 29955045, 39940060, 59910090, 73889111, 117823177, 119820180, 147778222, 221667333, 235646354, 295556444, 353469531, 369445555, 443334666, 471292708, 589115885, 706939062, 738891110, 886669332, 1108336665, 1178231770, 1413878124, 1477782220, 1767347655, 2216673330, 2356463540, 3534695310, 4359457549, 4433346660, 7069390620, 8718915098, 13078372647, 17437830196, 21797287745, 26156745294, 43594575490, 52313490588, 65391863235, 87189150980, 130783726470, 261567452940]

約数ペア:

[(1, 261567452940), (2, 130783726470), (3, 87189150980), (4, 65391863235), (5, 52313490588), (6, 43594575490), (10, 26156745294), (12, 21797287745), (15, 17437830196), (20, 13078372647), (30, 8718915098), (37, 7069390620), (59, 4433346660), (60, 4359457549), (74, 3534695310), (111, 2356463540), (118, 2216673330), (148, 1767347655), (177, 1477782220), (185, 1413878124), (222, 1178231770), (236, 1108336665), (295, 886669332), (354, 738891110), (370, 706939062), (444, 589115885), (555, 471292708), (590, 443334666), (708, 369445555), (740, 353469531), (885, 295556444), (1110, 235646354), (1180, 221667333), (1770, 147778222), (2183, 119820180), (2220, 117823177), (3540, 73889111), (4366, 59910090), (6549, 39940060), (8732, 29955045), (10915, 23964036), (13098, 19970030), (21830, 11982018), (26196, 9985015), (32745, 7988012), (43660, 5991009), (65490, 3994006), (130980, 1997003)]