201391520

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1$

素因数の和:223

約数の個数: 192

約数和(自身を含む): 564350976

約数和(自身を除く): 362959456

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 32, 34, 40, 44, 53, 55, 68, 80, 85, 88, 106, 110, 127, 136, 160, 170, 176, 187, 212, 220, 254, 265, 272, 340, 352, 374, 424, 440, 508, 530, 544, 583, 635, 680, 748, 848, 880, 901, 935, 1016, 1060, 1166, 1270, 1360, 1397, 1496, 1696, 1760, 1802, 1870, 2032, 2120, 2159, 2332, 2540, 2720, 2794, 2915, 2992, 3604, 3740, 4064, 4240, 4318, 4505, 4664, 5080, 5588, 5830, 5984, 6731, 6985, 7208, 7480, 8480, 8636, 9010, 9328, 9911, 10160, 10795, 11176, 11660, 13462, 13970, 14416, 14960, 17272, 18020, 18656, 19822, 20320, 21590, 22352, 23320, 23749, 26924, 27940, 28832, 29920, 33655, 34544, 36040, 39644, 43180, 44704, 46640, 47498, 49555, 53848, 55880, 67310, 69088, 72080, 74041, 79288, 86360, 93280, 94996, 99110, 107696, 111760, 114427, 118745, 134620, 144160, 148082, 158576, 172720, 189992, 198220, 215392, 223520, 228854, 237490, 269240, 296164, 317152, 345440, 370205, 379984, 396440, 457708, 474980, 538480, 572135, 592328, 740410, 759968, 792880, 915416, 949960, 1076960, 1144270, 1184656, 1258697, 1480820, 1585760, 1830832, 1899920, 2288540, 2369312, 2517394, 2961640, 3661664, 3799840, 4577080, 5034788, 5923280, 6293485, 9154160, 10069576, 11846560, 12586970, 18308320, 20139152, 25173940, 40278304, 50347880, 100695760, 201391520]

約数ペア:

[(1, 201391520), (2, 100695760), (4, 50347880), (5, 40278304), (8, 25173940), (10, 20139152), (11, 18308320), (16, 12586970), (17, 11846560), (20, 10069576), (22, 9154160), (32, 6293485), (34, 5923280), (40, 5034788), (44, 4577080), (53, 3799840), (55, 3661664), (68, 2961640), (80, 2517394), (85, 2369312), (88, 2288540), (106, 1899920), (110, 1830832), (127, 1585760), (136, 1480820), (160, 1258697), (170, 1184656), (176, 1144270), (187, 1076960), (212, 949960), (220, 915416), (254, 792880), (265, 759968), (272, 740410), (340, 592328), (352, 572135), (374, 538480), (424, 474980), (440, 457708), (508, 396440), (530, 379984), (544, 370205), (583, 345440), (635, 317152), (680, 296164), (748, 269240), (848, 237490), (880, 228854), (901, 223520), (935, 215392), (1016, 198220), (1060, 189992), (1166, 172720), (1270, 158576), (1360, 148082), (1397, 144160), (1496, 134620), (1696, 118745), (1760, 114427), (1802, 111760), (1870, 107696), (2032, 99110), (2120, 94996), (2159, 93280), (2332, 86360), (2540, 79288), (2720, 74041), (2794, 72080), (2915, 69088), (2992, 67310), (3604, 55880), (3740, 53848), (4064, 49555), (4240, 47498), (4318, 46640), (4505, 44704), (4664, 43180), (5080, 39644), (5588, 36040), (5830, 34544), (5984, 33655), (6731, 29920), (6985, 28832), (7208, 27940), (7480, 26924), (8480, 23749), (8636, 23320), (9010, 22352), (9328, 21590), (9911, 20320), (10160, 19822), (10795, 18656), (11176, 18020), (11660, 17272), (13462, 14960), (13970, 14416)]