68815320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:178

約数の個数: 256

約数和(自身を含む): 257126400

約数和(自身を除く): 188311080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 17, 20, 21, 24, 28, 30, 34, 35, 40, 42, 51, 56, 60, 61, 68, 70, 79, 84, 85, 102, 105, 119, 120, 122, 136, 140, 158, 168, 170, 183, 204, 210, 237, 238, 244, 255, 280, 305, 316, 340, 357, 366, 395, 408, 420, 427, 474, 476, 488, 510, 553, 595, 610, 632, 680, 714, 732, 790, 840, 854, 915, 948, 952, 1020, 1037, 1106, 1185, 1190, 1220, 1281, 1343, 1428, 1464, 1580, 1659, 1708, 1785, 1830, 1896, 2040, 2074, 2135, 2212, 2370, 2380, 2440, 2562, 2686, 2765, 2856, 3111, 3160, 3318, 3416, 3570, 3660, 4029, 4148, 4270, 4424, 4740, 4760, 4819, 5124, 5185, 5372, 5530, 6222, 6405, 6636, 6715, 7140, 7259, 7320, 8058, 8295, 8296, 8540, 9401, 9480, 9638, 10248, 10370, 10744, 11060, 12444, 12810, 13272, 13430, 14280, 14457, 14518, 15555, 16116, 16590, 17080, 18802, 19276, 20145, 20740, 21777, 22120, 24095, 24888, 25620, 26860, 28203, 28914, 29036, 31110, 32232, 33180, 33733, 36295, 37604, 38552, 40290, 41480, 43554, 47005, 48190, 51240, 53720, 56406, 57828, 58072, 62220, 66360, 67466, 72285, 72590, 75208, 80580, 81923, 87108, 94010, 96380, 101199, 108885, 112812, 115656, 124440, 134932, 141015, 144570, 145180, 161160, 163846, 168665, 174216, 188020, 192760, 202398, 217770, 225624, 245769, 269864, 282030, 289140, 290360, 327692, 337330, 376040, 404796, 409615, 435540, 491538, 505995, 564060, 573461, 578280, 655384, 674660, 809592, 819230, 871080, 983076, 1011990, 1128120, 1146922, 1228845, 1349320, 1638460, 1720383, 1966152, 2023980, 2293844, 2457690, 2867305, 3276920, 3440766, 4047960, 4587688, 4915380, 5734610, 6881532, 8601915, 9830760, 11469220, 13763064, 17203830, 22938440, 34407660, 68815320]

約数ペア:

[(1, 68815320), (2, 34407660), (3, 22938440), (4, 17203830), (5, 13763064), (6, 11469220), (7, 9830760), (8, 8601915), (10, 6881532), (12, 5734610), (14, 4915380), (15, 4587688), (17, 4047960), (20, 3440766), (21, 3276920), (24, 2867305), (28, 2457690), (30, 2293844), (34, 2023980), (35, 1966152), (40, 1720383), (42, 1638460), (51, 1349320), (56, 1228845), (60, 1146922), (61, 1128120), (68, 1011990), (70, 983076), (79, 871080), (84, 819230), (85, 809592), (102, 674660), (105, 655384), (119, 578280), (120, 573461), (122, 564060), (136, 505995), (140, 491538), (158, 435540), (168, 409615), (170, 404796), (183, 376040), (204, 337330), (210, 327692), (237, 290360), (238, 289140), (244, 282030), (255, 269864), (280, 245769), (305, 225624), (316, 217770), (340, 202398), (357, 192760), (366, 188020), (395, 174216), (408, 168665), (420, 163846), (427, 161160), (474, 145180), (476, 144570), (488, 141015), (510, 134932), (553, 124440), (595, 115656), (610, 112812), (632, 108885), (680, 101199), (714, 96380), (732, 94010), (790, 87108), (840, 81923), (854, 80580), (915, 75208), (948, 72590), (952, 72285), (1020, 67466), (1037, 66360), (1106, 62220), (1185, 58072), (1190, 57828), (1220, 56406), (1281, 53720), (1343, 51240), (1428, 48190), (1464, 47005), (1580, 43554), (1659, 41480), (1708, 40290), (1785, 38552), (1830, 37604), (1896, 36295), (2040, 33733), (2074, 33180), (2135, 32232), (2212, 31110), (2370, 29036), (2380, 28914), (2440, 28203), (2562, 26860), (2686, 25620), (2765, 24888), (2856, 24095), (3111, 22120), (3160, 21777), (3318, 20740), (3416, 20145), (3570, 19276), (3660, 18802), (4029, 17080), (4148, 16590), (4270, 16116), (4424, 15555), (4740, 14518), (4760, 14457), (4819, 14280), (5124, 13430), (5185, 13272), (5372, 12810), (5530, 12444), (6222, 11060), (6405, 10744), (6636, 10370), (6715, 10248), (7140, 9638), (7259, 9480), (7320, 9401), (8058, 8540), (8295, 8296)]