31282440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{223}}^1$

素因数の和:411

約数の個数: 128

約数和(自身を含む): 108380160

約数和(自身を除く): 77097720

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, 167, 168, 210, 223, 280, 334, 420, 446, 501, 668, 669, 835, 840, 892, 1002, 1115, 1169, 1336, 1338, 1561, 1670, 1784, 2004, 2230, 2338, 2505, 2676, 3122, 3340, 3345, 3507, 4008, 4460, 4676, 4683, 5010, 5352, 5845, 6244, 6680, 6690, 7014, 7805, 8920, 9352, 9366, 10020, 11690, 12488, 13380, 14028, 15610, 17535, 18732, 20040, 23380, 23415, 26760, 28056, 31220, 35070, 37241, 37464, 46760, 46830, 62440, 70140, 74482, 93660, 111723, 140280, 148964, 186205, 187320, 223446, 260687, 297928, 372410, 446892, 521374, 558615, 744820, 782061, 893784, 1042748, 1117230, 1303435, 1489640, 1564122, 2085496, 2234460, 2606870, 3128244, 3910305, 4468920, 5213740, 6256488, 7820610, 10427480, 15641220, 31282440]

約数ペア:

[(1, 31282440), (2, 15641220), (3, 10427480), (4, 7820610), (5, 6256488), (6, 5213740), (7, 4468920), (8, 3910305), (10, 3128244), (12, 2606870), (14, 2234460), (15, 2085496), (20, 1564122), (21, 1489640), (24, 1303435), (28, 1117230), (30, 1042748), (35, 893784), (40, 782061), (42, 744820), (56, 558615), (60, 521374), (70, 446892), (84, 372410), (105, 297928), (120, 260687), (140, 223446), (167, 187320), (168, 186205), (210, 148964), (223, 140280), (280, 111723), (334, 93660), (420, 74482), (446, 70140), (501, 62440), (668, 46830), (669, 46760), (835, 37464), (840, 37241), (892, 35070), (1002, 31220), (1115, 28056), (1169, 26760), (1336, 23415), (1338, 23380), (1561, 20040), (1670, 18732), (1784, 17535), (2004, 15610), (2230, 14028), (2338, 13380), (2505, 12488), (2676, 11690), (3122, 10020), (3340, 9366), (3345, 9352), (3507, 8920), (4008, 7805), (4460, 7014), (4676, 6690), (4683, 6680), (5010, 6244), (5352, 5845)]