1620720976

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{631}}^1$

素因数の和:753

約数の個数: 160

約数和(自身を含む): 4062597120

約数和(自身を除く): 2441876144

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 19, 28, 34, 38, 56, 68, 71, 76, 112, 119, 133, 136, 142, 152, 238, 266, 272, 284, 304, 323, 476, 497, 532, 568, 631, 646, 952, 994, 1064, 1136, 1207, 1262, 1292, 1349, 1904, 1988, 2128, 2261, 2414, 2524, 2584, 2698, 3976, 4417, 4522, 4828, 5048, 5168, 5396, 7952, 8449, 8834, 9044, 9443, 9656, 10096, 10727, 10792, 11989, 16898, 17668, 18088, 18886, 19312, 21454, 21584, 22933, 23978, 33796, 35336, 36176, 37772, 42908, 44801, 45866, 47956, 67592, 70672, 75089, 75544, 83923, 85816, 89602, 91732, 95912, 135184, 150178, 151088, 160531, 167846, 171632, 179204, 183464, 191824, 203813, 300356, 313607, 321062, 335692, 358408, 366928, 407626, 600712, 627214, 642124, 671384, 716816, 761617, 815252, 851219, 1201424, 1254428, 1284248, 1342768, 1426691, 1523234, 1630504, 1702438, 2508856, 2568496, 2853382, 3046468, 3261008, 3404876, 5017712, 5331319, 5706764, 5958533, 6092936, 6809752, 10662638, 11413528, 11917066, 12185872, 13619504, 14470723, 21325276, 22827056, 23834132, 28941446, 42650552, 47668264, 57882892, 85301104, 95336528, 101295061, 115765784, 202590122, 231531568, 405180244, 810360488, 1620720976]

約数ペア:

[(1, 1620720976), (2, 810360488), (4, 405180244), (7, 231531568), (8, 202590122), (14, 115765784), (16, 101295061), (17, 95336528), (19, 85301104), (28, 57882892), (34, 47668264), (38, 42650552), (56, 28941446), (68, 23834132), (71, 22827056), (76, 21325276), (112, 14470723), (119, 13619504), (133, 12185872), (136, 11917066), (142, 11413528), (152, 10662638), (238, 6809752), (266, 6092936), (272, 5958533), (284, 5706764), (304, 5331319), (323, 5017712), (476, 3404876), (497, 3261008), (532, 3046468), (568, 2853382), (631, 2568496), (646, 2508856), (952, 1702438), (994, 1630504), (1064, 1523234), (1136, 1426691), (1207, 1342768), (1262, 1284248), (1292, 1254428), (1349, 1201424), (1904, 851219), (1988, 815252), (2128, 761617), (2261, 716816), (2414, 671384), (2524, 642124), (2584, 627214), (2698, 600712), (3976, 407626), (4417, 366928), (4522, 358408), (4828, 335692), (5048, 321062), (5168, 313607), (5396, 300356), (7952, 203813), (8449, 191824), (8834, 183464), (9044, 179204), (9443, 171632), (9656, 167846), (10096, 160531), (10727, 151088), (10792, 150178), (11989, 135184), (16898, 95912), (17668, 91732), (18088, 89602), (18886, 85816), (19312, 83923), (21454, 75544), (21584, 75089), (22933, 70672), (23978, 67592), (33796, 47956), (35336, 45866), (36176, 44801), (37772, 42908)]