215560670

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{601}}^1$

素因数の和:741

約数の個数: 64

約数和(自身を含む): 436907520

約数和(自身を除く): 221346850

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 89, 130, 155, 178, 310, 403, 445, 601, 806, 890, 1157, 1202, 2015, 2314, 2759, 3005, 4030, 5518, 5785, 6010, 7813, 11570, 13795, 15626, 18631, 27590, 35867, 37262, 39065, 53489, 71734, 78130, 93155, 106978, 179335, 186310, 242203, 267445, 358670, 484406, 534890, 695357, 1211015, 1390714, 1658159, 2422030, 3316318, 3476785, 6953570, 8290795, 16581590, 21556067, 43112134, 107780335, 215560670]

約数ペア:

[(1, 215560670), (2, 107780335), (5, 43112134), (10, 21556067), (13, 16581590), (26, 8290795), (31, 6953570), (62, 3476785), (65, 3316318), (89, 2422030), (130, 1658159), (155, 1390714), (178, 1211015), (310, 695357), (403, 534890), (445, 484406), (601, 358670), (806, 267445), (890, 242203), (1157, 186310), (1202, 179335), (2015, 106978), (2314, 93155), (2759, 78130), (3005, 71734), (4030, 53489), (5518, 39065), (5785, 37262), (6010, 35867), (7813, 27590), (11570, 18631), (13795, 15626)]