91011760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{491}}^1$

素因数の和:842

約数の個数: 80

約数和(自身を含む): 243055872

約数和(自身を除く): 152044112

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 331, 491, 560, 662, 982, 1324, 1655, 1964, 2317, 2455, 2648, 3310, 3437, 3928, 4634, 4910, 5296, 6620, 6874, 7856, 9268, 9820, 11585, 13240, 13748, 17185, 18536, 19640, 23170, 26480, 27496, 34370, 37072, 39280, 46340, 54992, 68740, 92680, 137480, 162521, 185360, 274960, 325042, 650084, 812605, 1137647, 1300168, 1625210, 2275294, 2600336, 3250420, 4550588, 5688235, 6500840, 9101176, 11376470, 13001680, 18202352, 22752940, 45505880, 91011760]

約数ペア:

[(1, 91011760), (2, 45505880), (4, 22752940), (5, 18202352), (7, 13001680), (8, 11376470), (10, 9101176), (14, 6500840), (16, 5688235), (20, 4550588), (28, 3250420), (35, 2600336), (40, 2275294), (56, 1625210), (70, 1300168), (80, 1137647), (112, 812605), (140, 650084), (280, 325042), (331, 274960), (491, 185360), (560, 162521), (662, 137480), (982, 92680), (1324, 68740), (1655, 54992), (1964, 46340), (2317, 39280), (2455, 37072), (2648, 34370), (3310, 27496), (3437, 26480), (3928, 23170), (4634, 19640), (4910, 18536), (5296, 17185), (6620, 13748), (6874, 13240), (7856, 11585), (9268, 9820)]