878657640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{389}}^1\times {\mathrm{2689}}^1$

素因数の和:3099

約数の個数: 128

約数和(自身を含む): 3021408000

約数和(自身を除く): 2142750360

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, 389, 420, 778, 840, 1167, 1556, 1945, 2334, 2689, 2723, 3112, 3890, 4668, 5378, 5446, 5835, 7780, 8067, 8169, 9336, 10756, 10892, 11670, 13445, 13615, 15560, 16134, 16338, 18823, 21512, 21784, 23340, 26890, 27230, 32268, 32676, 37646, 40335, 40845, 46680, 53780, 54460, 56469, 64536, 65352, 75292, 80670, 81690, 94115, 107560, 108920, 112938, 150584, 161340, 163380, 188230, 225876, 282345, 322680, 326760, 376460, 451752, 564690, 752920, 1046021, 1129380, 2092042, 2258760, 3138063, 4184084, 5230105, 6276126, 7322147, 8368168, 10460210, 12552252, 14644294, 15690315, 20920420, 21966441, 25104504, 29288588, 31380630, 36610735, 41840840, 43932882, 58577176, 62761260, 73221470, 87865764, 109832205, 125522520, 146442940, 175731528, 219664410, 292885880, 439328820, 878657640]

約数ペア:

[(1, 878657640), (2, 439328820), (3, 292885880), (4, 219664410), (5, 175731528), (6, 146442940), (7, 125522520), (8, 109832205), (10, 87865764), (12, 73221470), (14, 62761260), (15, 58577176), (20, 43932882), (21, 41840840), (24, 36610735), (28, 31380630), (30, 29288588), (35, 25104504), (40, 21966441), (42, 20920420), (56, 15690315), (60, 14644294), (70, 12552252), (84, 10460210), (105, 8368168), (120, 7322147), (140, 6276126), (168, 5230105), (210, 4184084), (280, 3138063), (389, 2258760), (420, 2092042), (778, 1129380), (840, 1046021), (1167, 752920), (1556, 564690), (1945, 451752), (2334, 376460), (2689, 326760), (2723, 322680), (3112, 282345), (3890, 225876), (4668, 188230), (5378, 163380), (5446, 161340), (5835, 150584), (7780, 112938), (8067, 108920), (8169, 107560), (9336, 94115), (10756, 81690), (10892, 80670), (11670, 75292), (13445, 65352), (13615, 64536), (15560, 56469), (16134, 54460), (16338, 53780), (18823, 46680), (21512, 40845), (21784, 40335), (23340, 37646), (26890, 32676), (27230, 32268)]