72981760

素因数分解:

$2^8\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1$

素因数の和:148

約数の個数: 144

約数和(自身を含む): 190141056

約数和(自身を除く): 117159296

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 37, 40, 46, 64, 67, 74, 80, 92, 115, 128, 134, 148, 160, 184, 185, 230, 256, 268, 296, 320, 335, 368, 370, 460, 536, 592, 640, 670, 736, 740, 851, 920, 1072, 1184, 1280, 1340, 1472, 1480, 1541, 1702, 1840, 2144, 2368, 2479, 2680, 2944, 2960, 3082, 3404, 3680, 4255, 4288, 4736, 4958, 5360, 5888, 5920, 6164, 6808, 7360, 7705, 8510, 8576, 9472, 9916, 10720, 11840, 12328, 12395, 13616, 14720, 15410, 17020, 17152, 19832, 21440, 23680, 24656, 24790, 27232, 29440, 30820, 34040, 39664, 42880, 47360, 49312, 49580, 54464, 57017, 61640, 68080, 79328, 85760, 98624, 99160, 108928, 114034, 123280, 136160, 158656, 197248, 198320, 217856, 228068, 246560, 272320, 285085, 317312, 394496, 396640, 456136, 493120, 544640, 570170, 634624, 793280, 912272, 986240, 1089280, 1140340, 1586560, 1824544, 1972480, 2280680, 3173120, 3649088, 4561360, 7298176, 9122720, 14596352, 18245440, 36490880, 72981760]

約数ペア:

[(1, 72981760), (2, 36490880), (4, 18245440), (5, 14596352), (8, 9122720), (10, 7298176), (16, 4561360), (20, 3649088), (23, 3173120), (32, 2280680), (37, 1972480), (40, 1824544), (46, 1586560), (64, 1140340), (67, 1089280), (74, 986240), (80, 912272), (92, 793280), (115, 634624), (128, 570170), (134, 544640), (148, 493120), (160, 456136), (184, 396640), (185, 394496), (230, 317312), (256, 285085), (268, 272320), (296, 246560), (320, 228068), (335, 217856), (368, 198320), (370, 197248), (460, 158656), (536, 136160), (592, 123280), (640, 114034), (670, 108928), (736, 99160), (740, 98624), (851, 85760), (920, 79328), (1072, 68080), (1184, 61640), (1280, 57017), (1340, 54464), (1472, 49580), (1480, 49312), (1541, 47360), (1702, 42880), (1840, 39664), (2144, 34040), (2368, 30820), (2479, 29440), (2680, 27232), (2944, 24790), (2960, 24656), (3082, 23680), (3404, 21440), (3680, 19832), (4255, 17152), (4288, 17020), (4736, 15410), (4958, 14720), (5360, 13616), (5888, 12395), (5920, 12328), (6164, 11840), (6808, 10720), (7360, 9916), (7705, 9472), (8510, 8576)]