660666708

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{389}}^1$

素因数の和:622

約数の個数: 144

約数和(自身を含む): 1907942400

約数和(自身を除く): 1247275692

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 36, 38, 39, 52, 57, 76, 78, 114, 117, 156, 171, 191, 228, 234, 247, 342, 382, 389, 468, 494, 573, 684, 741, 764, 778, 988, 1146, 1167, 1482, 1556, 1719, 2223, 2292, 2334, 2483, 2964, 3438, 3501, 3629, 4446, 4668, 4966, 5057, 6876, 7002, 7258, 7391, 7449, 8892, 9932, 10114, 10887, 14004, 14516, 14782, 14898, 15171, 20228, 21774, 22173, 22347, 29564, 29796, 30342, 32661, 43548, 44346, 44694, 45513, 47177, 60684, 65322, 66519, 74299, 88692, 89388, 91026, 94354, 96083, 130644, 133038, 141531, 148598, 182052, 188708, 192166, 222897, 266076, 283062, 288249, 297196, 384332, 424593, 445794, 566124, 576498, 668691, 849186, 864747, 891588, 965887, 1152996, 1337382, 1411681, 1698372, 1729494, 1931774, 2674764, 2823362, 2897661, 3458988, 3863548, 4235043, 5646724, 5795322, 8470086, 8692983, 11590644, 12705129, 16940172, 17385966, 18351853, 25410258, 34771932, 36703706, 50820516, 55055559, 73407412, 110111118, 165166677, 220222236, 330333354, 660666708]

約数ペア:

[(1, 660666708), (2, 330333354), (3, 220222236), (4, 165166677), (6, 110111118), (9, 73407412), (12, 55055559), (13, 50820516), (18, 36703706), (19, 34771932), (26, 25410258), (36, 18351853), (38, 17385966), (39, 16940172), (52, 12705129), (57, 11590644), (76, 8692983), (78, 8470086), (114, 5795322), (117, 5646724), (156, 4235043), (171, 3863548), (191, 3458988), (228, 2897661), (234, 2823362), (247, 2674764), (342, 1931774), (382, 1729494), (389, 1698372), (468, 1411681), (494, 1337382), (573, 1152996), (684, 965887), (741, 891588), (764, 864747), (778, 849186), (988, 668691), (1146, 576498), (1167, 566124), (1482, 445794), (1556, 424593), (1719, 384332), (2223, 297196), (2292, 288249), (2334, 283062), (2483, 266076), (2964, 222897), (3438, 192166), (3501, 188708), (3629, 182052), (4446, 148598), (4668, 141531), (4966, 133038), (5057, 130644), (6876, 96083), (7002, 94354), (7258, 91026), (7391, 89388), (7449, 88692), (8892, 74299), (9932, 66519), (10114, 65322), (10887, 60684), (14004, 47177), (14516, 45513), (14782, 44694), (14898, 44346), (15171, 43548), (20228, 32661), (21774, 30342), (22173, 29796), (22347, 29564)]