640501596

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{16189}}^1$

素因数の和:16363

約数の個数: 72

約数和(自身を含む): 1862238560

約数和(自身を除く): 1221736964

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 157, 252, 314, 471, 628, 942, 1099, 1413, 1884, 2198, 2826, 3297, 4396, 5652, 6594, 9891, 13188, 16189, 19782, 32378, 39564, 48567, 64756, 97134, 113323, 145701, 194268, 226646, 291402, 339969, 453292, 582804, 679938, 1019907, 1359876, 2039814, 2541673, 4079628, 5083346, 7625019, 10166692, 15250038, 17791711, 22875057, 30500076, 35583422, 45750114, 53375133, 71166844, 91500228, 106750266, 160125399, 213500532, 320250798, 640501596]

約数ペア:

[(1, 640501596), (2, 320250798), (3, 213500532), (4, 160125399), (6, 106750266), (7, 91500228), (9, 71166844), (12, 53375133), (14, 45750114), (18, 35583422), (21, 30500076), (28, 22875057), (36, 17791711), (42, 15250038), (63, 10166692), (84, 7625019), (126, 5083346), (157, 4079628), (252, 2541673), (314, 2039814), (471, 1359876), (628, 1019907), (942, 679938), (1099, 582804), (1413, 453292), (1884, 339969), (2198, 291402), (2826, 226646), (3297, 194268), (4396, 145701), (5652, 113323), (6594, 97134), (9891, 64756), (13188, 48567), (16189, 39564), (19782, 32378)]