672531720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{607}}^1\times {\mathrm{1319}}^1$

素因数の和:1947

約数の個数: 128

約数和(自身を含む): 2311372800

約数和(自身を除く): 1638841080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 607, 840, 1214, 1319, 1821, 2428, 2638, 3035, 3642, 3957, 4249, 4856, 5276, 6070, 6595, 7284, 7914, 8498, 9105, 9233, 10552, 12140, 12747, 13190, 14568, 15828, 16996, 18210, 18466, 19785, 21245, 24280, 25494, 26380, 27699, 31656, 33992, 36420, 36932, 39570, 42490, 46165, 50988, 52760, 55398, 63735, 72840, 73864, 79140, 84980, 92330, 101976, 110796, 127470, 138495, 158280, 169960, 184660, 221592, 254940, 276990, 369320, 509880, 553980, 800633, 1107960, 1601266, 2401899, 3202532, 4003165, 4803798, 5604431, 6405064, 8006330, 9607596, 11208862, 12009495, 16012660, 16813293, 19215192, 22417724, 24018990, 28022155, 32025320, 33626586, 44835448, 48037980, 56044310, 67253172, 84066465, 96075960, 112088620, 134506344, 168132930, 224177240, 336265860, 672531720]

約数ペア:

[(1, 672531720), (2, 336265860), (3, 224177240), (4, 168132930), (5, 134506344), (6, 112088620), (7, 96075960), (8, 84066465), (10, 67253172), (12, 56044310), (14, 48037980), (15, 44835448), (20, 33626586), (21, 32025320), (24, 28022155), (28, 24018990), (30, 22417724), (35, 19215192), (40, 16813293), (42, 16012660), (56, 12009495), (60, 11208862), (70, 9607596), (84, 8006330), (105, 6405064), (120, 5604431), (140, 4803798), (168, 4003165), (210, 3202532), (280, 2401899), (420, 1601266), (607, 1107960), (840, 800633), (1214, 553980), (1319, 509880), (1821, 369320), (2428, 276990), (2638, 254940), (3035, 221592), (3642, 184660), (3957, 169960), (4249, 158280), (4856, 138495), (5276, 127470), (6070, 110796), (6595, 101976), (7284, 92330), (7914, 84980), (8498, 79140), (9105, 73864), (9233, 72840), (10552, 63735), (12140, 55398), (12747, 52760), (13190, 50988), (14568, 46165), (15828, 42490), (16996, 39570), (18210, 36932), (18466, 36420), (19785, 33992), (21245, 31656), (24280, 27699), (25494, 26380)]