31387840

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{241}}^1$

素因数の和:306

約数の個数: 112

約数和(自身を含む): 84088224

約数和(自身を除く): 52700384

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 37, 40, 44, 55, 64, 74, 80, 88, 110, 148, 160, 176, 185, 220, 241, 296, 320, 352, 370, 407, 440, 482, 592, 704, 740, 814, 880, 964, 1184, 1205, 1480, 1628, 1760, 1928, 2035, 2368, 2410, 2651, 2960, 3256, 3520, 3856, 4070, 4820, 5302, 5920, 6512, 7712, 8140, 8917, 9640, 10604, 11840, 13024, 13255, 15424, 16280, 17834, 19280, 21208, 26048, 26510, 32560, 35668, 38560, 42416, 44585, 53020, 65120, 71336, 77120, 84832, 89170, 98087, 106040, 130240, 142672, 169664, 178340, 196174, 212080, 285344, 356680, 392348, 424160, 490435, 570688, 713360, 784696, 848320, 980870, 1426720, 1569392, 1961740, 2853440, 3138784, 3923480, 6277568, 7846960, 15693920, 31387840]

約数ペア:

[(1, 31387840), (2, 15693920), (4, 7846960), (5, 6277568), (8, 3923480), (10, 3138784), (11, 2853440), (16, 1961740), (20, 1569392), (22, 1426720), (32, 980870), (37, 848320), (40, 784696), (44, 713360), (55, 570688), (64, 490435), (74, 424160), (80, 392348), (88, 356680), (110, 285344), (148, 212080), (160, 196174), (176, 178340), (185, 169664), (220, 142672), (241, 130240), (296, 106040), (320, 98087), (352, 89170), (370, 84832), (407, 77120), (440, 71336), (482, 65120), (592, 53020), (704, 44585), (740, 42416), (814, 38560), (880, 35668), (964, 32560), (1184, 26510), (1205, 26048), (1480, 21208), (1628, 19280), (1760, 17834), (1928, 16280), (2035, 15424), (2368, 13255), (2410, 13024), (2651, 11840), (2960, 10604), (3256, 9640), (3520, 8917), (3856, 8140), (4070, 7712), (4820, 6512), (5302, 5920)]