248496080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1$

素因数の和:277

約数の個数: 160

約数和(自身を含む): 689955840

約数和(自身を除く): 441459760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 41, 56, 70, 79, 80, 82, 112, 137, 140, 158, 164, 205, 274, 280, 287, 316, 328, 395, 410, 548, 553, 560, 574, 632, 656, 685, 790, 820, 959, 1096, 1106, 1148, 1264, 1370, 1435, 1580, 1640, 1918, 2192, 2212, 2296, 2740, 2765, 2870, 3160, 3239, 3280, 3836, 4424, 4592, 4795, 5480, 5530, 5617, 5740, 6320, 6478, 7672, 8848, 9590, 10823, 10960, 11060, 11234, 11480, 12956, 15344, 16195, 19180, 21646, 22120, 22468, 22673, 22960, 25912, 28085, 32390, 38360, 39319, 43292, 44240, 44936, 45346, 51824, 54115, 56170, 64780, 75761, 76720, 78638, 86584, 89872, 90692, 108230, 112340, 113365, 129560, 151522, 157276, 173168, 181384, 196595, 216460, 224680, 226730, 259120, 303044, 314552, 362768, 378805, 393190, 432920, 443743, 449360, 453460, 606088, 629104, 757610, 786380, 865840, 887486, 906920, 1212176, 1515220, 1572760, 1774972, 1813840, 2218715, 3030440, 3106201, 3145520, 3549944, 4437430, 6060880, 6212402, 7099888, 8874860, 12424804, 15531005, 17749720, 24849608, 31062010, 35499440, 49699216, 62124020, 124248040, 248496080]

約数ペア:

[(1, 248496080), (2, 124248040), (4, 62124020), (5, 49699216), (7, 35499440), (8, 31062010), (10, 24849608), (14, 17749720), (16, 15531005), (20, 12424804), (28, 8874860), (35, 7099888), (40, 6212402), (41, 6060880), (56, 4437430), (70, 3549944), (79, 3145520), (80, 3106201), (82, 3030440), (112, 2218715), (137, 1813840), (140, 1774972), (158, 1572760), (164, 1515220), (205, 1212176), (274, 906920), (280, 887486), (287, 865840), (316, 786380), (328, 757610), (395, 629104), (410, 606088), (548, 453460), (553, 449360), (560, 443743), (574, 432920), (632, 393190), (656, 378805), (685, 362768), (790, 314552), (820, 303044), (959, 259120), (1096, 226730), (1106, 224680), (1148, 216460), (1264, 196595), (1370, 181384), (1435, 173168), (1580, 157276), (1640, 151522), (1918, 129560), (2192, 113365), (2212, 112340), (2296, 108230), (2740, 90692), (2765, 89872), (2870, 86584), (3160, 78638), (3239, 76720), (3280, 75761), (3836, 64780), (4424, 56170), (4592, 54115), (4795, 51824), (5480, 45346), (5530, 44936), (5617, 44240), (5740, 43292), (6320, 39319), (6478, 38360), (7672, 32390), (8848, 28085), (9590, 25912), (10823, 22960), (10960, 22673), (11060, 22468), (11234, 22120), (11480, 21646), (12956, 19180), (15344, 16195)]