640034892

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{36809}}^1$

素因数の和:36852

約数の個数: 96

約数和(自身を含む): 1978905600

約数和(自身を除く): 1338870708

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 23, 27, 28, 36, 42, 46, 54, 63, 69, 84, 92, 108, 126, 138, 161, 189, 207, 252, 276, 322, 378, 414, 483, 621, 644, 756, 828, 966, 1242, 1449, 1932, 2484, 2898, 4347, 5796, 8694, 17388, 36809, 73618, 110427, 147236, 220854, 257663, 331281, 441708, 515326, 662562, 772989, 846607, 993843, 1030652, 1325124, 1545978, 1693214, 1987686, 2318967, 2539821, 3091956, 3386428, 3975372, 4637934, 5079642, 5926249, 6956901, 7619463, 9275868, 10159284, 11852498, 13913802, 15238926, 17778747, 22858389, 23704996, 27827604, 30477852, 35557494, 45716778, 53336241, 71114988, 91433556, 106672482, 160008723, 213344964, 320017446, 640034892]

約数ペア:

[(1, 640034892), (2, 320017446), (3, 213344964), (4, 160008723), (6, 106672482), (7, 91433556), (9, 71114988), (12, 53336241), (14, 45716778), (18, 35557494), (21, 30477852), (23, 27827604), (27, 23704996), (28, 22858389), (36, 17778747), (42, 15238926), (46, 13913802), (54, 11852498), (63, 10159284), (69, 9275868), (84, 7619463), (92, 6956901), (108, 5926249), (126, 5079642), (138, 4637934), (161, 3975372), (189, 3386428), (207, 3091956), (252, 2539821), (276, 2318967), (322, 1987686), (378, 1693214), (414, 1545978), (483, 1325124), (621, 1030652), (644, 993843), (756, 846607), (828, 772989), (966, 662562), (1242, 515326), (1449, 441708), (1932, 331281), (2484, 257663), (2898, 220854), (4347, 147236), (5796, 110427), (8694, 73618), (17388, 36809)]