90667720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^3\times {\mathrm{13}}^1\times {\mathrm{131}}^1$

素因数の和:188

約数の個数: 128

約数和(自身を含む): 243492480

約数和(自身を除く): 152824760

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 121, 130, 131, 143, 220, 242, 260, 262, 286, 440, 484, 520, 524, 572, 605, 655, 715, 968, 1048, 1144, 1210, 1310, 1331, 1430, 1441, 1573, 1703, 2420, 2620, 2662, 2860, 2882, 3146, 3406, 4840, 5240, 5324, 5720, 5764, 6292, 6655, 6812, 7205, 7865, 8515, 10648, 11528, 12584, 13310, 13624, 14410, 15730, 15851, 17030, 17303, 18733, 26620, 28820, 31460, 31702, 34060, 34606, 37466, 53240, 57640, 62920, 63404, 68120, 69212, 74932, 79255, 86515, 93665, 126808, 138424, 149864, 158510, 173030, 174361, 187330, 206063, 317020, 346060, 348722, 374660, 412126, 634040, 692120, 697444, 749320, 824252, 871805, 1030315, 1394888, 1648504, 1743610, 2060630, 2266693, 3487220, 4121260, 4533386, 6974440, 8242520, 9066772, 11333465, 18133544, 22666930, 45333860, 90667720]

約数ペア:

[(1, 90667720), (2, 45333860), (4, 22666930), (5, 18133544), (8, 11333465), (10, 9066772), (11, 8242520), (13, 6974440), (20, 4533386), (22, 4121260), (26, 3487220), (40, 2266693), (44, 2060630), (52, 1743610), (55, 1648504), (65, 1394888), (88, 1030315), (104, 871805), (110, 824252), (121, 749320), (130, 697444), (131, 692120), (143, 634040), (220, 412126), (242, 374660), (260, 348722), (262, 346060), (286, 317020), (440, 206063), (484, 187330), (520, 174361), (524, 173030), (572, 158510), (605, 149864), (655, 138424), (715, 126808), (968, 93665), (1048, 86515), (1144, 79255), (1210, 74932), (1310, 69212), (1331, 68120), (1430, 63404), (1441, 62920), (1573, 57640), (1703, 53240), (2420, 37466), (2620, 34606), (2662, 34060), (2860, 31702), (2882, 31460), (3146, 28820), (3406, 26620), (4840, 18733), (5240, 17303), (5324, 17030), (5720, 15851), (5764, 15730), (6292, 14410), (6655, 13624), (6812, 13310), (7205, 12584), (7865, 11528), (8515, 10648)]