72709440

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:169

約数の個数: 224

約数和(自身を含む): 250179840

約数和(自身を除く): 177470400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 37, 40, 46, 48, 60, 64, 69, 74, 80, 89, 92, 96, 111, 115, 120, 138, 148, 160, 178, 184, 185, 192, 222, 230, 240, 267, 276, 296, 320, 345, 356, 368, 370, 444, 445, 460, 480, 534, 552, 555, 592, 690, 712, 736, 740, 851, 888, 890, 920, 960, 1068, 1104, 1110, 1184, 1335, 1380, 1424, 1472, 1480, 1702, 1776, 1780, 1840, 2047, 2136, 2208, 2220, 2368, 2553, 2670, 2760, 2848, 2960, 3293, 3404, 3552, 3560, 3680, 4094, 4255, 4272, 4416, 4440, 5106, 5340, 5520, 5696, 5920, 6141, 6586, 6808, 7104, 7120, 7360, 8188, 8510, 8544, 8880, 9879, 10212, 10235, 10680, 11040, 11840, 12282, 12765, 13172, 13616, 14240, 16376, 16465, 17020, 17088, 17760, 19758, 20424, 20470, 21360, 22080, 24564, 25530, 26344, 27232, 28480, 30705, 32752, 32930, 34040, 35520, 39516, 40848, 40940, 42720, 49128, 49395, 51060, 52688, 54464, 61410, 65504, 65860, 68080, 75739, 79032, 81696, 81880, 85440, 98256, 98790, 102120, 105376, 122820, 131008, 131720, 136160, 151478, 158064, 163392, 163760, 196512, 197580, 204240, 210752, 227217, 245640, 263440, 272320, 302956, 316128, 327520, 378695, 393024, 395160, 408480, 454434, 491280, 526880, 605912, 632256, 655040, 757390, 790320, 816960, 908868, 982560, 1053760, 1136085, 1211824, 1514780, 1580640, 1817736, 1965120, 2272170, 2423648, 3029560, 3161280, 3635472, 4544340, 4847296, 6059120, 7270944, 9088680, 12118240, 14541888, 18177360, 24236480, 36354720, 72709440]

約数ペア:

[(1, 72709440), (2, 36354720), (3, 24236480), (4, 18177360), (5, 14541888), (6, 12118240), (8, 9088680), (10, 7270944), (12, 6059120), (15, 4847296), (16, 4544340), (20, 3635472), (23, 3161280), (24, 3029560), (30, 2423648), (32, 2272170), (37, 1965120), (40, 1817736), (46, 1580640), (48, 1514780), (60, 1211824), (64, 1136085), (69, 1053760), (74, 982560), (80, 908868), (89, 816960), (92, 790320), (96, 757390), (111, 655040), (115, 632256), (120, 605912), (138, 526880), (148, 491280), (160, 454434), (178, 408480), (184, 395160), (185, 393024), (192, 378695), (222, 327520), (230, 316128), (240, 302956), (267, 272320), (276, 263440), (296, 245640), (320, 227217), (345, 210752), (356, 204240), (368, 197580), (370, 196512), (444, 163760), (445, 163392), (460, 158064), (480, 151478), (534, 136160), (552, 131720), (555, 131008), (592, 122820), (690, 105376), (712, 102120), (736, 98790), (740, 98256), (851, 85440), (888, 81880), (890, 81696), (920, 79032), (960, 75739), (1068, 68080), (1104, 65860), (1110, 65504), (1184, 61410), (1335, 54464), (1380, 52688), (1424, 51060), (1472, 49395), (1480, 49128), (1702, 42720), (1776, 40940), (1780, 40848), (1840, 39516), (2047, 35520), (2136, 34040), (2208, 32930), (2220, 32752), (2368, 30705), (2553, 28480), (2670, 27232), (2760, 26344), (2848, 25530), (2960, 24564), (3293, 22080), (3404, 21360), (3552, 20470), (3560, 20424), (3680, 19758), (4094, 17760), (4255, 17088), (4272, 17020), (4416, 16465), (4440, 16376), (5106, 14240), (5340, 13616), (5520, 13172), (5696, 12765), (5920, 12282), (6141, 11840), (6586, 11040), (6808, 10680), (7104, 10235), (7120, 10212), (7360, 9879), (8188, 8880), (8510, 8544)]