331345560

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1597}}^1$

素因数の和:1650

約数の個数: 256

約数和(自身を含む): 1288627200

約数和(自身を除く): 957281640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 19, 20, 21, 24, 26, 28, 30, 35, 38, 39, 40, 42, 52, 56, 57, 60, 65, 70, 76, 78, 84, 91, 95, 104, 105, 114, 120, 130, 133, 140, 152, 156, 168, 182, 190, 195, 210, 228, 247, 260, 266, 273, 280, 285, 312, 364, 380, 390, 399, 420, 455, 456, 494, 520, 532, 546, 570, 665, 728, 741, 760, 780, 798, 840, 910, 988, 1064, 1092, 1140, 1235, 1330, 1365, 1482, 1560, 1596, 1597, 1729, 1820, 1976, 1995, 2184, 2280, 2470, 2660, 2730, 2964, 3192, 3194, 3458, 3640, 3705, 3990, 4791, 4940, 5187, 5320, 5460, 5928, 6388, 6916, 7410, 7980, 7985, 8645, 9582, 9880, 10374, 10920, 11179, 12776, 13832, 14820, 15960, 15970, 17290, 19164, 20748, 20761, 22358, 23955, 25935, 29640, 30343, 31940, 33537, 34580, 38328, 41496, 41522, 44716, 47910, 51870, 55895, 60686, 62283, 63880, 67074, 69160, 83044, 89432, 91029, 95820, 103740, 103805, 111790, 121372, 124566, 134148, 145327, 151715, 166088, 167685, 182058, 191640, 207480, 207610, 212401, 223580, 242744, 249132, 268296, 290654, 303430, 311415, 335370, 364116, 394459, 415220, 424802, 435981, 447160, 455145, 498264, 581308, 606860, 622830, 637203, 670740, 726635, 728232, 788918, 830440, 849604, 871962, 910290, 1062005, 1162616, 1183377, 1213720, 1245660, 1274406, 1341480, 1453270, 1577836, 1699208, 1743924, 1820580, 1972295, 2124010, 2179905, 2366754, 2491320, 2548812, 2761213, 2906540, 3155672, 3186015, 3487848, 3641160, 3944590, 4248020, 4359810, 4733508, 5097624, 5522426, 5813080, 5916885, 6372030, 7889180, 8283639, 8496040, 8719620, 9467016, 11044852, 11833770, 12744060, 13806065, 15778360, 16567278, 17439240, 22089704, 23667540, 25488120, 27612130, 33134556, 41418195, 47335080, 55224260, 66269112, 82836390, 110448520, 165672780, 331345560]

約数ペア:

[(1, 331345560), (2, 165672780), (3, 110448520), (4, 82836390), (5, 66269112), (6, 55224260), (7, 47335080), (8, 41418195), (10, 33134556), (12, 27612130), (13, 25488120), (14, 23667540), (15, 22089704), (19, 17439240), (20, 16567278), (21, 15778360), (24, 13806065), (26, 12744060), (28, 11833770), (30, 11044852), (35, 9467016), (38, 8719620), (39, 8496040), (40, 8283639), (42, 7889180), (52, 6372030), (56, 5916885), (57, 5813080), (60, 5522426), (65, 5097624), (70, 4733508), (76, 4359810), (78, 4248020), (84, 3944590), (91, 3641160), (95, 3487848), (104, 3186015), (105, 3155672), (114, 2906540), (120, 2761213), (130, 2548812), (133, 2491320), (140, 2366754), (152, 2179905), (156, 2124010), (168, 1972295), (182, 1820580), (190, 1743924), (195, 1699208), (210, 1577836), (228, 1453270), (247, 1341480), (260, 1274406), (266, 1245660), (273, 1213720), (280, 1183377), (285, 1162616), (312, 1062005), (364, 910290), (380, 871962), (390, 849604), (399, 830440), (420, 788918), (455, 728232), (456, 726635), (494, 670740), (520, 637203), (532, 622830), (546, 606860), (570, 581308), (665, 498264), (728, 455145), (741, 447160), (760, 435981), (780, 424802), (798, 415220), (840, 394459), (910, 364116), (988, 335370), (1064, 311415), (1092, 303430), (1140, 290654), (1235, 268296), (1330, 249132), (1365, 242744), (1482, 223580), (1560, 212401), (1596, 207610), (1597, 207480), (1729, 191640), (1820, 182058), (1976, 167685), (1995, 166088), (2184, 151715), (2280, 145327), (2470, 134148), (2660, 124566), (2730, 121372), (2964, 111790), (3192, 103805), (3194, 103740), (3458, 95820), (3640, 91029), (3705, 89432), (3990, 83044), (4791, 69160), (4940, 67074), (5187, 63880), (5320, 62283), (5460, 60686), (5928, 55895), (6388, 51870), (6916, 47910), (7410, 44716), (7980, 41522), (7985, 41496), (8645, 38328), (9582, 34580), (9880, 33537), (10374, 31940), (10920, 30343), (11179, 29640), (12776, 25935), (13832, 23955), (14820, 22358), (15960, 20761), (15970, 20748), (17290, 19164)]