138378420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{24799}}^1$

素因数の和:24845

約数の個数: 72

約数和(自身を含む): 433305600

約数和(自身を除く): 294927180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 5580, 24799, 49598, 74397, 99196, 123995, 148794, 223191, 247990, 297588, 371985, 446382, 495980, 743970, 768769, 892764, 1115955, 1487940, 1537538, 2231910, 2306307, 3075076, 3843845, 4463820, 4612614, 6918921, 7687690, 9225228, 11531535, 13837842, 15375380, 23063070, 27675684, 34594605, 46126140, 69189210, 138378420]

約数ペア:

[(1, 138378420), (2, 69189210), (3, 46126140), (4, 34594605), (5, 27675684), (6, 23063070), (9, 15375380), (10, 13837842), (12, 11531535), (15, 9225228), (18, 7687690), (20, 6918921), (30, 4612614), (31, 4463820), (36, 3843845), (45, 3075076), (60, 2306307), (62, 2231910), (90, 1537538), (93, 1487940), (124, 1115955), (155, 892764), (180, 768769), (186, 743970), (279, 495980), (310, 446382), (372, 371985), (465, 297588), (558, 247990), (620, 223191), (930, 148794), (1116, 123995), (1395, 99196), (1860, 74397), (2790, 49598), (5580, 24799)]