1245134440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{2017}}^1$

素因数の和:2123

約数の個数: 128

約数和(自身を含む): 3243006720

約数和(自身を除く): 1997872280

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 44, 46, 55, 61, 88, 92, 110, 115, 122, 184, 220, 230, 244, 253, 305, 440, 460, 488, 506, 610, 671, 920, 1012, 1220, 1265, 1342, 1403, 2017, 2024, 2440, 2530, 2684, 2806, 3355, 4034, 5060, 5368, 5612, 6710, 7015, 8068, 10085, 10120, 11224, 13420, 14030, 15433, 16136, 20170, 22187, 26840, 28060, 30866, 40340, 44374, 46391, 56120, 61732, 77165, 80680, 88748, 92782, 110935, 123037, 123464, 154330, 177496, 185564, 221870, 231955, 246074, 308660, 371128, 443740, 463910, 492148, 510301, 615185, 617320, 887480, 927820, 984296, 1020602, 1230370, 1353407, 1855640, 2041204, 2460740, 2551505, 2706814, 2829851, 4082408, 4921480, 5103010, 5413628, 5659702, 6767035, 10206020, 10827256, 11319404, 13534070, 14149255, 20412040, 22638808, 27068140, 28298510, 31128361, 54136280, 56597020, 62256722, 113194040, 124513444, 155641805, 249026888, 311283610, 622567220, 1245134440]

約数ペア:

[(1, 1245134440), (2, 622567220), (4, 311283610), (5, 249026888), (8, 155641805), (10, 124513444), (11, 113194040), (20, 62256722), (22, 56597020), (23, 54136280), (40, 31128361), (44, 28298510), (46, 27068140), (55, 22638808), (61, 20412040), (88, 14149255), (92, 13534070), (110, 11319404), (115, 10827256), (122, 10206020), (184, 6767035), (220, 5659702), (230, 5413628), (244, 5103010), (253, 4921480), (305, 4082408), (440, 2829851), (460, 2706814), (488, 2551505), (506, 2460740), (610, 2041204), (671, 1855640), (920, 1353407), (1012, 1230370), (1220, 1020602), (1265, 984296), (1342, 927820), (1403, 887480), (2017, 617320), (2024, 615185), (2440, 510301), (2530, 492148), (2684, 463910), (2806, 443740), (3355, 371128), (4034, 308660), (5060, 246074), (5368, 231955), (5612, 221870), (6710, 185564), (7015, 177496), (8068, 154330), (10085, 123464), (10120, 123037), (11224, 110935), (13420, 92782), (14030, 88748), (15433, 80680), (16136, 77165), (20170, 61732), (22187, 56120), (26840, 46391), (28060, 44374), (30866, 40340)]