71291640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{84871}}^1$

素因数の和:84892

約数の個数: 64

約数和(自身を含む): 244431360

約数和(自身を除く): 173139720

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, 420, 840, 84871, 169742, 254613, 339484, 424355, 509226, 594097, 678968, 848710, 1018452, 1188194, 1273065, 1697420, 1782291, 2036904, 2376388, 2546130, 2970485, 3394840, 3564582, 4752776, 5092260, 5940970, 7129164, 8911455, 10184520, 11881940, 14258328, 17822910, 23763880, 35645820, 71291640]

約数ペア:

[(1, 71291640), (2, 35645820), (3, 23763880), (4, 17822910), (5, 14258328), (6, 11881940), (7, 10184520), (8, 8911455), (10, 7129164), (12, 5940970), (14, 5092260), (15, 4752776), (20, 3564582), (21, 3394840), (24, 2970485), (28, 2546130), (30, 2376388), (35, 2036904), (40, 1782291), (42, 1697420), (56, 1273065), (60, 1188194), (70, 1018452), (84, 848710), (105, 678968), (120, 594097), (140, 509226), (168, 424355), (210, 339484), (280, 254613), (420, 169742), (840, 84871)]