31765760

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1$

素因数の和:140

約数の個数: 144

約数和(自身を含む): 86534784

約数和(自身を除く): 54769024

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 32, 40, 46, 52, 64, 65, 80, 83, 92, 104, 115, 128, 130, 160, 166, 184, 208, 230, 256, 260, 299, 320, 332, 368, 415, 416, 460, 520, 598, 640, 664, 736, 830, 832, 920, 1040, 1079, 1196, 1280, 1328, 1472, 1495, 1660, 1664, 1840, 1909, 2080, 2158, 2392, 2656, 2944, 2990, 3320, 3328, 3680, 3818, 4160, 4316, 4784, 5312, 5395, 5888, 5980, 6640, 7360, 7636, 8320, 8632, 9545, 9568, 10624, 10790, 11960, 13280, 14720, 15272, 16640, 17264, 19090, 19136, 21248, 21580, 23920, 24817, 26560, 29440, 30544, 34528, 38180, 38272, 43160, 47840, 49634, 53120, 61088, 69056, 76360, 76544, 86320, 95680, 99268, 106240, 122176, 124085, 138112, 152720, 172640, 191360, 198536, 244352, 248170, 276224, 305440, 345280, 382720, 397072, 488704, 496340, 610880, 690560, 794144, 992680, 1221760, 1381120, 1588288, 1985360, 2443520, 3176576, 3970720, 6353152, 7941440, 15882880, 31765760]

約数ペア:

[(1, 31765760), (2, 15882880), (4, 7941440), (5, 6353152), (8, 3970720), (10, 3176576), (13, 2443520), (16, 1985360), (20, 1588288), (23, 1381120), (26, 1221760), (32, 992680), (40, 794144), (46, 690560), (52, 610880), (64, 496340), (65, 488704), (80, 397072), (83, 382720), (92, 345280), (104, 305440), (115, 276224), (128, 248170), (130, 244352), (160, 198536), (166, 191360), (184, 172640), (208, 152720), (230, 138112), (256, 124085), (260, 122176), (299, 106240), (320, 99268), (332, 95680), (368, 86320), (415, 76544), (416, 76360), (460, 69056), (520, 61088), (598, 53120), (640, 49634), (664, 47840), (736, 43160), (830, 38272), (832, 38180), (920, 34528), (1040, 30544), (1079, 29440), (1196, 26560), (1280, 24817), (1328, 23920), (1472, 21580), (1495, 21248), (1660, 19136), (1664, 19090), (1840, 17264), (1909, 16640), (2080, 15272), (2158, 14720), (2392, 13280), (2656, 11960), (2944, 10790), (2990, 10624), (3320, 9568), (3328, 9545), (3680, 8632), (3818, 8320), (4160, 7636), (4316, 7360), (4784, 6640), (5312, 5980), (5395, 5888)]