6439940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:117

約数の個数: 96

約数和(自身を含む): 16257024

約数和(自身を除く): 9817084

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 31, 34, 47, 52, 62, 65, 68, 85, 94, 124, 130, 155, 170, 188, 221, 235, 260, 310, 340, 403, 442, 470, 527, 611, 620, 799, 806, 884, 940, 1054, 1105, 1222, 1457, 1598, 1612, 2015, 2108, 2210, 2444, 2635, 2914, 3055, 3196, 3995, 4030, 4420, 5270, 5828, 6110, 6851, 7285, 7990, 8060, 10387, 10540, 12220, 13702, 14570, 15980, 18941, 20774, 24769, 27404, 29140, 34255, 37882, 41548, 49538, 51935, 68510, 75764, 94705, 99076, 103870, 123845, 137020, 189410, 207740, 247690, 321997, 378820, 495380, 643994, 1287988, 1609985, 3219970, 6439940]

約数ペア:

[(1, 6439940), (2, 3219970), (4, 1609985), (5, 1287988), (10, 643994), (13, 495380), (17, 378820), (20, 321997), (26, 247690), (31, 207740), (34, 189410), (47, 137020), (52, 123845), (62, 103870), (65, 99076), (68, 94705), (85, 75764), (94, 68510), (124, 51935), (130, 49538), (155, 41548), (170, 37882), (188, 34255), (221, 29140), (235, 27404), (260, 24769), (310, 20774), (340, 18941), (403, 15980), (442, 14570), (470, 13702), (527, 12220), (611, 10540), (620, 10387), (799, 8060), (806, 7990), (884, 7285), (940, 6851), (1054, 6110), (1105, 5828), (1222, 5270), (1457, 4420), (1598, 4030), (1612, 3995), (2015, 3196), (2108, 3055), (2210, 2914), (2444, 2635)]