21590770880

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{310927}}^1$

素因数の和:310982

約数の個数: 112

約数和(自身を含む): 60653346816

約数和(自身を除く): 39062575936

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 140, 155, 160, 217, 224, 248, 280, 310, 320, 434, 448, 496, 560, 620, 868, 992, 1085, 1120, 1240, 1736, 1984, 2170, 2240, 2480, 3472, 4340, 4960, 6944, 8680, 9920, 13888, 17360, 34720, 69440, 310927, 621854, 1243708, 1554635, 2176489, 2487416, 3109270, 4352978, 4974832, 6218540, 8705956, 9638737, 9949664, 10882445, 12437080, 17411912, 19277474, 19899328, 21764890, 24874160, 34823824, 38554948, 43529780, 48193685, 49748320, 67471159, 69647648, 77109896, 87059560, 96387370, 99496640, 134942318, 139295296, 154219792, 174119120, 192774740, 269884636, 308439584, 337355795, 348238240, 385549480, 539769272, 616879168, 674711590, 696476480, 771098960, 1079538544, 1349423180, 1542197920, 2159077088, 2698846360, 3084395840, 4318154176, 5397692720, 10795385440, 21590770880]

約数ペア:

[(1, 21590770880), (2, 10795385440), (4, 5397692720), (5, 4318154176), (7, 3084395840), (8, 2698846360), (10, 2159077088), (14, 1542197920), (16, 1349423180), (20, 1079538544), (28, 771098960), (31, 696476480), (32, 674711590), (35, 616879168), (40, 539769272), (56, 385549480), (62, 348238240), (64, 337355795), (70, 308439584), (80, 269884636), (112, 192774740), (124, 174119120), (140, 154219792), (155, 139295296), (160, 134942318), (217, 99496640), (224, 96387370), (248, 87059560), (280, 77109896), (310, 69647648), (320, 67471159), (434, 49748320), (448, 48193685), (496, 43529780), (560, 38554948), (620, 34823824), (868, 24874160), (992, 21764890), (1085, 19899328), (1120, 19277474), (1240, 17411912), (1736, 12437080), (1984, 10882445), (2170, 9949664), (2240, 9638737), (2480, 8705956), (3472, 6218540), (4340, 4974832), (4960, 4352978), (6944, 3109270), (8680, 2487416), (9920, 2176489), (13888, 1554635), (17360, 1243708), (34720, 621854), (69440, 310927)]