66566640

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{39623}}^1$

素因数の和:39646

約数の個数: 80

約数和(自身を含む): 235842048

約数和(自身を除く): 169275408

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, 39623, 79246, 118869, 158492, 198115, 237738, 277361, 316984, 396230, 475476, 554722, 594345, 633968, 792460, 832083, 950952, 1109444, 1188690, 1386805, 1584920, 1664166, 1901904, 2218888, 2377380, 2773610, 3169840, 3328332, 4160415, 4437776, 4754760, 5547220, 6656664, 8320830, 9509520, 11094440, 13313328, 16641660, 22188880, 33283320, 66566640]

約数ペア:

[(1, 66566640), (2, 33283320), (3, 22188880), (4, 16641660), (5, 13313328), (6, 11094440), (7, 9509520), (8, 8320830), (10, 6656664), (12, 5547220), (14, 4754760), (15, 4437776), (16, 4160415), (20, 3328332), (21, 3169840), (24, 2773610), (28, 2377380), (30, 2218888), (35, 1901904), (40, 1664166), (42, 1584920), (48, 1386805), (56, 1188690), (60, 1109444), (70, 950952), (80, 832083), (84, 792460), (105, 633968), (112, 594345), (120, 554722), (140, 475476), (168, 396230), (210, 316984), (240, 277361), (280, 237738), (336, 198115), (420, 158492), (560, 118869), (840, 79246), (1680, 39623)]