678742020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{342799}}^1$

素因数の和:342825

約数の個数: 72

約数和(自身を含む): 2246025600

約数和(自身を除く): 1567283580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 342799, 685598, 1028397, 1371196, 1713995, 2056794, 3085191, 3427990, 3770789, 4113588, 5141985, 6170382, 6855980, 7541578, 10283970, 11312367, 12340764, 15083156, 15425955, 18853945, 20567940, 22624734, 30851910, 33937101, 37707890, 45249468, 56561835, 61703820, 67874202, 75415780, 113123670, 135748404, 169685505, 226247340, 339371010, 678742020]

約数ペア:

[(1, 678742020), (2, 339371010), (3, 226247340), (4, 169685505), (5, 135748404), (6, 113123670), (9, 75415780), (10, 67874202), (11, 61703820), (12, 56561835), (15, 45249468), (18, 37707890), (20, 33937101), (22, 30851910), (30, 22624734), (33, 20567940), (36, 18853945), (44, 15425955), (45, 15083156), (55, 12340764), (60, 11312367), (66, 10283970), (90, 7541578), (99, 6855980), (110, 6170382), (132, 5141985), (165, 4113588), (180, 3770789), (198, 3427990), (220, 3085191), (330, 2056794), (396, 1713995), (495, 1371196), (660, 1028397), (990, 685598), (1980, 342799)]