345177840

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{205463}}^1$

素因数の和:205486

約数の個数: 80

約数和(自身を含む): 1222921728

約数和(自身を除く): 877743888

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 205463, 410926, 616389, 821852, 1027315, 1232778, 1438241, 1643704, 2054630, 2465556, 2876482, 3081945, 3287408, 4109260, 4314723, 4931112, 5752964, 6163890, 7191205, 8218520, 8629446, 9862224, 11505928, 12327780, 14382410, 16437040, 17258892, 21573615, 23011856, 24655560, 28764820, 34517784, 43147230, 49311120, 57529640, 69035568, 86294460, 115059280, 172588920, 345177840]

約数ペア:

[(1, 345177840), (2, 172588920), (3, 115059280), (4, 86294460), (5, 69035568), (6, 57529640), (7, 49311120), (8, 43147230), (10, 34517784), (12, 28764820), (14, 24655560), (15, 23011856), (16, 21573615), (20, 17258892), (21, 16437040), (24, 14382410), (28, 12327780), (30, 11505928), (35, 9862224), (40, 8629446), (42, 8218520), (48, 7191205), (56, 6163890), (60, 5752964), (70, 4931112), (80, 4314723), (84, 4109260), (105, 3287408), (112, 3081945), (120, 2876482), (140, 2465556), (168, 2054630), (210, 1643704), (240, 1438241), (280, 1232778), (336, 1027315), (420, 821852), (560, 616389), (840, 410926), (1680, 205463)]