639360684

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{719}}^1\times {\mathrm{1453}}^1$

素因数の和:2199

約数の個数: 72

約数和(自身を含む): 1714789440

約数和(自身を除く): 1075428756

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 153, 204, 306, 612, 719, 1438, 1453, 2157, 2876, 2906, 4314, 4359, 5812, 6471, 8628, 8718, 12223, 12942, 13077, 17436, 24446, 24701, 25884, 26154, 36669, 48892, 49402, 52308, 73338, 74103, 98804, 110007, 146676, 148206, 220014, 222309, 296412, 440028, 444618, 889236, 1044707, 2089414, 3134121, 4178828, 6268242, 9402363, 12536484, 17760019, 18804726, 35520038, 37609452, 53280057, 71040076, 106560114, 159840171, 213120228, 319680342, 639360684]

約数ペア:

[(1, 639360684), (2, 319680342), (3, 213120228), (4, 159840171), (6, 106560114), (9, 71040076), (12, 53280057), (17, 37609452), (18, 35520038), (34, 18804726), (36, 17760019), (51, 12536484), (68, 9402363), (102, 6268242), (153, 4178828), (204, 3134121), (306, 2089414), (612, 1044707), (719, 889236), (1438, 444618), (1453, 440028), (2157, 296412), (2876, 222309), (2906, 220014), (4314, 148206), (4359, 146676), (5812, 110007), (6471, 98804), (8628, 74103), (8718, 73338), (12223, 52308), (12942, 49402), (13077, 48892), (17436, 36669), (24446, 26154), (24701, 25884)]