321271020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{254977}}^1$

素因数の和:254999

約数の個数: 72

約数和(自身を含む): 1113743904

約数和(自身を除く): 792472884

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 254977, 509954, 764931, 1019908, 1274885, 1529862, 1784839, 2294793, 2549770, 3059724, 3569678, 3824655, 4589586, 5099540, 5354517, 7139356, 7649310, 8924195, 9179172, 10709034, 11473965, 15298620, 16063551, 17848390, 21418068, 22947930, 26772585, 32127102, 35696780, 45895860, 53545170, 64254204, 80317755, 107090340, 160635510, 321271020]

約数ペア:

[(1, 321271020), (2, 160635510), (3, 107090340), (4, 80317755), (5, 64254204), (6, 53545170), (7, 45895860), (9, 35696780), (10, 32127102), (12, 26772585), (14, 22947930), (15, 21418068), (18, 17848390), (20, 16063551), (21, 15298620), (28, 11473965), (30, 10709034), (35, 9179172), (36, 8924195), (42, 7649310), (45, 7139356), (60, 5354517), (63, 5099540), (70, 4589586), (84, 3824655), (90, 3569678), (105, 3059724), (126, 2549770), (140, 2294793), (180, 1784839), (210, 1529862), (252, 1274885), (315, 1019908), (420, 764931), (630, 509954), (1260, 254977)]