643375008

素因数分解:

$2^5\times 3^3\times {\mathrm{821}}^1\times {\mathrm{907}}^1$

素因数の和:1747

約数の個数: 96

約数和(自身を含む): 1880867520

約数和(自身を除く): 1237492512

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 72, 96, 108, 144, 216, 288, 432, 821, 864, 907, 1642, 1814, 2463, 2721, 3284, 3628, 4926, 5442, 6568, 7256, 7389, 8163, 9852, 10884, 13136, 14512, 14778, 16326, 19704, 21768, 22167, 24489, 26272, 29024, 29556, 32652, 39408, 43536, 44334, 48978, 59112, 65304, 78816, 87072, 88668, 97956, 118224, 130608, 177336, 195912, 236448, 261216, 354672, 391824, 709344, 744647, 783648, 1489294, 2233941, 2978588, 4467882, 5957176, 6701823, 8935764, 11914352, 13403646, 17871528, 20105469, 23828704, 26807292, 35743056, 40210938, 53614584, 71486112, 80421876, 107229168, 160843752, 214458336, 321687504, 643375008]

約数ペア:

[(1, 643375008), (2, 321687504), (3, 214458336), (4, 160843752), (6, 107229168), (8, 80421876), (9, 71486112), (12, 53614584), (16, 40210938), (18, 35743056), (24, 26807292), (27, 23828704), (32, 20105469), (36, 17871528), (48, 13403646), (54, 11914352), (72, 8935764), (96, 6701823), (108, 5957176), (144, 4467882), (216, 2978588), (288, 2233941), (432, 1489294), (821, 783648), (864, 744647), (907, 709344), (1642, 391824), (1814, 354672), (2463, 261216), (2721, 236448), (3284, 195912), (3628, 177336), (4926, 130608), (5442, 118224), (6568, 97956), (7256, 88668), (7389, 87072), (8163, 78816), (9852, 65304), (10884, 59112), (13136, 48978), (14512, 44334), (14778, 43536), (16326, 39408), (19704, 32652), (21768, 29556), (22167, 29024), (24489, 26272)]