81037680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{59}}^2\times {\mathrm{97}}^1$

素因数の和:231

約数の個数: 120

約数和(自身を含む): 258181392

約数和(自身を除く): 177143712

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 59, 60, 80, 97, 118, 120, 177, 194, 236, 240, 291, 295, 354, 388, 472, 485, 582, 590, 708, 776, 885, 944, 970, 1164, 1180, 1416, 1455, 1552, 1770, 1940, 2328, 2360, 2832, 2910, 3481, 3540, 3880, 4656, 4720, 5723, 5820, 6962, 7080, 7760, 10443, 11446, 11640, 13924, 14160, 17169, 17405, 20886, 22892, 23280, 27848, 28615, 34338, 34810, 41772, 45784, 52215, 55696, 57230, 68676, 69620, 83544, 85845, 91568, 104430, 114460, 137352, 139240, 167088, 171690, 208860, 228920, 274704, 278480, 337657, 343380, 417720, 457840, 675314, 686760, 835440, 1012971, 1350628, 1373520, 1688285, 2025942, 2701256, 3376570, 4051884, 5064855, 5402512, 6753140, 8103768, 10129710, 13506280, 16207536, 20259420, 27012560, 40518840, 81037680]

約数ペア:

[(1, 81037680), (2, 40518840), (3, 27012560), (4, 20259420), (5, 16207536), (6, 13506280), (8, 10129710), (10, 8103768), (12, 6753140), (15, 5402512), (16, 5064855), (20, 4051884), (24, 3376570), (30, 2701256), (40, 2025942), (48, 1688285), (59, 1373520), (60, 1350628), (80, 1012971), (97, 835440), (118, 686760), (120, 675314), (177, 457840), (194, 417720), (236, 343380), (240, 337657), (291, 278480), (295, 274704), (354, 228920), (388, 208860), (472, 171690), (485, 167088), (582, 139240), (590, 137352), (708, 114460), (776, 104430), (885, 91568), (944, 85845), (970, 83544), (1164, 69620), (1180, 68676), (1416, 57230), (1455, 55696), (1552, 52215), (1770, 45784), (1940, 41772), (2328, 34810), (2360, 34338), (2832, 28615), (2910, 27848), (3481, 23280), (3540, 22892), (3880, 20886), (4656, 17405), (4720, 17169), (5723, 14160), (5820, 13924), (6962, 11640), (7080, 11446), (7760, 10443)]