217651680

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{523}}^1$

素因数の和:578

約数の個数: 216

約数和(自身を含む): 790505352

約数和(自身を除く): 572853672

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 32, 34, 36, 40, 45, 48, 51, 60, 68, 72, 80, 85, 90, 96, 102, 120, 136, 144, 153, 160, 170, 180, 204, 240, 255, 272, 288, 289, 306, 340, 360, 408, 480, 510, 523, 544, 578, 612, 680, 720, 765, 816, 867, 1020, 1046, 1156, 1224, 1360, 1440, 1445, 1530, 1569, 1632, 1734, 2040, 2092, 2312, 2448, 2601, 2615, 2720, 2890, 3060, 3138, 3468, 4080, 4184, 4335, 4624, 4707, 4896, 5202, 5230, 5780, 6120, 6276, 6936, 7845, 8160, 8368, 8670, 8891, 9248, 9414, 10404, 10460, 11560, 12240, 12552, 13005, 13872, 15690, 16736, 17340, 17782, 18828, 20808, 20920, 23120, 23535, 24480, 25104, 26010, 26673, 27744, 31380, 34680, 35564, 37656, 41616, 41840, 44455, 46240, 47070, 50208, 52020, 53346, 62760, 69360, 71128, 75312, 80019, 83232, 83680, 88910, 94140, 104040, 106692, 125520, 133365, 138720, 142256, 150624, 151147, 160038, 177820, 188280, 208080, 213384, 251040, 266730, 284512, 302294, 320076, 355640, 376560, 400095, 416160, 426768, 453441, 533460, 604588, 640152, 711280, 753120, 755735, 800190, 853536, 906882, 1066920, 1209176, 1280304, 1360323, 1422560, 1511470, 1600380, 1813764, 2133840, 2267205, 2418352, 2560608, 2720646, 3022940, 3200760, 3627528, 4267680, 4534410, 4836704, 5441292, 6045880, 6401520, 6801615, 7255056, 9068820, 10882584, 12091760, 12803040, 13603230, 14510112, 18137640, 21765168, 24183520, 27206460, 36275280, 43530336, 54412920, 72550560, 108825840, 217651680]

約数ペア:

[(1, 217651680), (2, 108825840), (3, 72550560), (4, 54412920), (5, 43530336), (6, 36275280), (8, 27206460), (9, 24183520), (10, 21765168), (12, 18137640), (15, 14510112), (16, 13603230), (17, 12803040), (18, 12091760), (20, 10882584), (24, 9068820), (30, 7255056), (32, 6801615), (34, 6401520), (36, 6045880), (40, 5441292), (45, 4836704), (48, 4534410), (51, 4267680), (60, 3627528), (68, 3200760), (72, 3022940), (80, 2720646), (85, 2560608), (90, 2418352), (96, 2267205), (102, 2133840), (120, 1813764), (136, 1600380), (144, 1511470), (153, 1422560), (160, 1360323), (170, 1280304), (180, 1209176), (204, 1066920), (240, 906882), (255, 853536), (272, 800190), (288, 755735), (289, 753120), (306, 711280), (340, 640152), (360, 604588), (408, 533460), (480, 453441), (510, 426768), (523, 416160), (544, 400095), (578, 376560), (612, 355640), (680, 320076), (720, 302294), (765, 284512), (816, 266730), (867, 251040), (1020, 213384), (1046, 208080), (1156, 188280), (1224, 177820), (1360, 160038), (1440, 151147), (1445, 150624), (1530, 142256), (1569, 138720), (1632, 133365), (1734, 125520), (2040, 106692), (2092, 104040), (2312, 94140), (2448, 88910), (2601, 83680), (2615, 83232), (2720, 80019), (2890, 75312), (3060, 71128), (3138, 69360), (3468, 62760), (4080, 53346), (4184, 52020), (4335, 50208), (4624, 47070), (4707, 46240), (4896, 44455), (5202, 41840), (5230, 41616), (5780, 37656), (6120, 35564), (6276, 34680), (6936, 31380), (7845, 27744), (8160, 26673), (8368, 26010), (8670, 25104), (8891, 24480), (9248, 23535), (9414, 23120), (10404, 20920), (10460, 20808), (11560, 18828), (12240, 17782), (12552, 17340), (13005, 16736), (13872, 15690)]