281617248720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{1231}}^1\times {\mathrm{3709}}^1$

素因数の和:5213

約数の個数: 160

約数和(自身を含む): 877358845440

約数和(自身を除く): 595741596720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 257, 514, 771, 1028, 1231, 1285, 1542, 2056, 2462, 2570, 3084, 3693, 3709, 3855, 4112, 4924, 5140, 6155, 6168, 7386, 7418, 7710, 9848, 10280, 11127, 12310, 12336, 14772, 14836, 15420, 18465, 18545, 19696, 20560, 22254, 24620, 29544, 29672, 30840, 36930, 37090, 44508, 49240, 55635, 59088, 59344, 61680, 73860, 74180, 89016, 98480, 111270, 147720, 148360, 178032, 222540, 295440, 296720, 316367, 445080, 632734, 890160, 949101, 953213, 1265468, 1581835, 1898202, 1906426, 2530936, 2859639, 3163670, 3796404, 3812852, 4565779, 4745505, 4766065, 5061872, 5719278, 6327340, 7592808, 7625704, 9131558, 9491010, 9532130, 11438556, 12654680, 13697337, 14298195, 15185616, 15251408, 18263116, 18982020, 19064260, 22828895, 22877112, 25309360, 27394674, 28596390, 36526232, 37964040, 38128520, 45657790, 45754224, 54789348, 57192780, 68486685, 73052464, 75928080, 76257040, 91315580, 109578696, 114385560, 136973370, 182631160, 219157392, 228771120, 273946740, 365262320, 547893480, 1095786960, 1173405203, 2346810406, 3520215609, 4693620812, 5867026015, 7040431218, 9387241624, 11734052030, 14080862436, 17601078045, 18774483248, 23468104060, 28161724872, 35202156090, 46936208120, 56323449744, 70404312180, 93872416240, 140808624360, 281617248720]

約数ペア:

[(1, 281617248720), (2, 140808624360), (3, 93872416240), (4, 70404312180), (5, 56323449744), (6, 46936208120), (8, 35202156090), (10, 28161724872), (12, 23468104060), (15, 18774483248), (16, 17601078045), (20, 14080862436), (24, 11734052030), (30, 9387241624), (40, 7040431218), (48, 5867026015), (60, 4693620812), (80, 3520215609), (120, 2346810406), (240, 1173405203), (257, 1095786960), (514, 547893480), (771, 365262320), (1028, 273946740), (1231, 228771120), (1285, 219157392), (1542, 182631160), (2056, 136973370), (2462, 114385560), (2570, 109578696), (3084, 91315580), (3693, 76257040), (3709, 75928080), (3855, 73052464), (4112, 68486685), (4924, 57192780), (5140, 54789348), (6155, 45754224), (6168, 45657790), (7386, 38128520), (7418, 37964040), (7710, 36526232), (9848, 28596390), (10280, 27394674), (11127, 25309360), (12310, 22877112), (12336, 22828895), (14772, 19064260), (14836, 18982020), (15420, 18263116), (18465, 15251408), (18545, 15185616), (19696, 14298195), (20560, 13697337), (22254, 12654680), (24620, 11438556), (29544, 9532130), (29672, 9491010), (30840, 9131558), (36930, 7625704), (37090, 7592808), (44508, 6327340), (49240, 5719278), (55635, 5061872), (59088, 4766065), (59344, 4745505), (61680, 4565779), (73860, 3812852), (74180, 3796404), (89016, 3163670), (98480, 2859639), (111270, 2530936), (147720, 1906426), (148360, 1898202), (178032, 1581835), (222540, 1265468), (295440, 953213), (296720, 949101), (316367, 890160), (445080, 632734)]