2165421920

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{421}}^1$

素因数の和:545

約数の個数: 192

約数和(自身を含む): 5696635392

約数和(自身を除く): 3531213472

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 32, 34, 40, 61, 62, 68, 80, 85, 122, 124, 136, 155, 160, 170, 244, 248, 272, 305, 310, 340, 421, 488, 496, 527, 544, 610, 620, 680, 842, 976, 992, 1037, 1054, 1220, 1240, 1360, 1684, 1891, 1952, 2074, 2105, 2108, 2440, 2480, 2635, 2720, 3368, 3782, 4148, 4210, 4216, 4880, 4960, 5185, 5270, 6736, 7157, 7564, 8296, 8420, 8432, 9455, 9760, 10370, 10540, 13051, 13472, 14314, 15128, 16592, 16840, 16864, 18910, 20740, 21080, 25681, 26102, 28628, 30256, 32147, 33184, 33680, 35785, 37820, 41480, 42160, 51362, 52204, 57256, 60512, 64294, 65255, 67360, 71570, 75640, 82960, 84320, 102724, 104408, 114512, 128405, 128588, 130510, 143140, 151280, 160735, 165920, 205448, 208816, 221867, 229024, 256810, 257176, 261020, 286280, 302560, 321470, 410896, 417632, 436577, 443734, 513620, 514352, 522040, 572560, 642940, 796111, 821792, 873154, 887468, 1027240, 1028704, 1044080, 1109335, 1145120, 1285880, 1592222, 1746308, 1774936, 2054480, 2088160, 2182885, 2218670, 2571760, 3184444, 3492616, 3549872, 3980555, 4108960, 4365770, 4437340, 5143520, 6368888, 6985232, 7099744, 7961110, 8731540, 8874680, 12737776, 13533887, 13970464, 15922220, 17463080, 17749360, 25475552, 27067774, 31844440, 34926160, 35498720, 54135548, 63688880, 67669435, 69852320, 108271096, 127377760, 135338870, 216542192, 270677740, 433084384, 541355480, 1082710960, 2165421920]

約数ペア:

[(1, 2165421920), (2, 1082710960), (4, 541355480), (5, 433084384), (8, 270677740), (10, 216542192), (16, 135338870), (17, 127377760), (20, 108271096), (31, 69852320), (32, 67669435), (34, 63688880), (40, 54135548), (61, 35498720), (62, 34926160), (68, 31844440), (80, 27067774), (85, 25475552), (122, 17749360), (124, 17463080), (136, 15922220), (155, 13970464), (160, 13533887), (170, 12737776), (244, 8874680), (248, 8731540), (272, 7961110), (305, 7099744), (310, 6985232), (340, 6368888), (421, 5143520), (488, 4437340), (496, 4365770), (527, 4108960), (544, 3980555), (610, 3549872), (620, 3492616), (680, 3184444), (842, 2571760), (976, 2218670), (992, 2182885), (1037, 2088160), (1054, 2054480), (1220, 1774936), (1240, 1746308), (1360, 1592222), (1684, 1285880), (1891, 1145120), (1952, 1109335), (2074, 1044080), (2105, 1028704), (2108, 1027240), (2440, 887468), (2480, 873154), (2635, 821792), (2720, 796111), (3368, 642940), (3782, 572560), (4148, 522040), (4210, 514352), (4216, 513620), (4880, 443734), (4960, 436577), (5185, 417632), (5270, 410896), (6736, 321470), (7157, 302560), (7564, 286280), (8296, 261020), (8420, 257176), (8432, 256810), (9455, 229024), (9760, 221867), (10370, 208816), (10540, 205448), (13051, 165920), (13472, 160735), (14314, 151280), (15128, 143140), (16592, 130510), (16840, 128588), (16864, 128405), (18910, 114512), (20740, 104408), (21080, 102724), (25681, 84320), (26102, 82960), (28628, 75640), (30256, 71570), (32147, 67360), (33184, 65255), (33680, 64294), (35785, 60512), (37820, 57256), (41480, 52204), (42160, 51362)]