172989840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{720791}}^1$

素因数の和:720807

約数の個数: 40

約数和(自身を含む): 536269248

約数和(自身を除く): 363279408

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 720791, 1441582, 2162373, 2883164, 3603955, 4324746, 5766328, 7207910, 8649492, 10811865, 11532656, 14415820, 17298984, 21623730, 28831640, 34597968, 43247460, 57663280, 86494920, 172989840]

約数ペア:

[(1, 172989840), (2, 86494920), (3, 57663280), (4, 43247460), (5, 34597968), (6, 28831640), (8, 21623730), (10, 17298984), (12, 14415820), (15, 11532656), (16, 10811865), (20, 8649492), (24, 7207910), (30, 5766328), (40, 4324746), (48, 3603955), (60, 2883164), (80, 2162373), (120, 1441582), (240, 720791)]