388781640

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{27691}}^1$

素因数の和:27724

約数の個数: 128

約数和(自身を含む): 1395676800

約数和(自身を除く): 1006895160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 52, 54, 60, 65, 72, 78, 90, 104, 108, 117, 120, 130, 135, 156, 180, 195, 216, 234, 260, 270, 312, 351, 360, 390, 468, 520, 540, 585, 702, 780, 936, 1080, 1170, 1404, 1560, 1755, 2340, 2808, 3510, 4680, 7020, 14040, 27691, 55382, 83073, 110764, 138455, 166146, 221528, 249219, 276910, 332292, 359983, 415365, 498438, 553820, 664584, 719966, 747657, 830730, 996876, 1079949, 1107640, 1246095, 1439932, 1495314, 1661460, 1799915, 1993752, 2159898, 2492190, 2879864, 2990628, 3239847, 3322920, 3599830, 3738285, 4319796, 4984380, 5399745, 5981256, 6479694, 7199660, 7476570, 8639592, 9719541, 9968760, 10799490, 12959388, 14399320, 14953140, 16199235, 19439082, 21598980, 25918776, 29906280, 32398470, 38878164, 43197960, 48597705, 64796940, 77756328, 97195410, 129593880, 194390820, 388781640]

約数ペア:

[(1, 388781640), (2, 194390820), (3, 129593880), (4, 97195410), (5, 77756328), (6, 64796940), (8, 48597705), (9, 43197960), (10, 38878164), (12, 32398470), (13, 29906280), (15, 25918776), (18, 21598980), (20, 19439082), (24, 16199235), (26, 14953140), (27, 14399320), (30, 12959388), (36, 10799490), (39, 9968760), (40, 9719541), (45, 8639592), (52, 7476570), (54, 7199660), (60, 6479694), (65, 5981256), (72, 5399745), (78, 4984380), (90, 4319796), (104, 3738285), (108, 3599830), (117, 3322920), (120, 3239847), (130, 2990628), (135, 2879864), (156, 2492190), (180, 2159898), (195, 1993752), (216, 1799915), (234, 1661460), (260, 1495314), (270, 1439932), (312, 1246095), (351, 1107640), (360, 1079949), (390, 996876), (468, 830730), (520, 747657), (540, 719966), (585, 664584), (702, 553820), (780, 498438), (936, 415365), (1080, 359983), (1170, 332292), (1404, 276910), (1560, 249219), (1755, 221528), (2340, 166146), (2808, 138455), (3510, 110764), (4680, 83073), (7020, 55382), (14040, 27691)]