28045080

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{359}}^1$

素因数の和:414

約数の個数: 192

約数和(自身を含む): 107827200

約数和(自身を除く): 79782120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 31, 35, 36, 40, 42, 45, 56, 60, 62, 63, 70, 72, 84, 90, 93, 105, 120, 124, 126, 140, 155, 168, 180, 186, 210, 217, 248, 252, 279, 280, 310, 315, 359, 360, 372, 420, 434, 465, 504, 558, 620, 630, 651, 718, 744, 840, 868, 930, 1077, 1085, 1116, 1240, 1260, 1302, 1395, 1436, 1736, 1795, 1860, 1953, 2154, 2170, 2232, 2513, 2520, 2604, 2790, 2872, 3231, 3255, 3590, 3720, 3906, 4308, 4340, 5026, 5208, 5385, 5580, 6462, 6510, 7180, 7539, 7812, 8616, 8680, 9765, 10052, 10770, 11129, 11160, 12565, 12924, 13020, 14360, 15078, 15624, 16155, 19530, 20104, 21540, 22258, 22617, 25130, 25848, 26040, 30156, 32310, 33387, 37695, 39060, 43080, 44516, 45234, 50260, 55645, 60312, 64620, 66774, 75390, 77903, 78120, 89032, 90468, 100161, 100520, 111290, 113085, 129240, 133548, 150780, 155806, 166935, 180936, 200322, 222580, 226170, 233709, 267096, 301560, 311612, 333870, 389515, 400644, 445160, 452340, 467418, 500805, 623224, 667740, 701127, 779030, 801288, 904680, 934836, 1001610, 1168545, 1335480, 1402254, 1558060, 1869672, 2003220, 2337090, 2804508, 3116120, 3505635, 4006440, 4674180, 5609016, 7011270, 9348360, 14022540, 28045080]

約数ペア:

[(1, 28045080), (2, 14022540), (3, 9348360), (4, 7011270), (5, 5609016), (6, 4674180), (7, 4006440), (8, 3505635), (9, 3116120), (10, 2804508), (12, 2337090), (14, 2003220), (15, 1869672), (18, 1558060), (20, 1402254), (21, 1335480), (24, 1168545), (28, 1001610), (30, 934836), (31, 904680), (35, 801288), (36, 779030), (40, 701127), (42, 667740), (45, 623224), (56, 500805), (60, 467418), (62, 452340), (63, 445160), (70, 400644), (72, 389515), (84, 333870), (90, 311612), (93, 301560), (105, 267096), (120, 233709), (124, 226170), (126, 222580), (140, 200322), (155, 180936), (168, 166935), (180, 155806), (186, 150780), (210, 133548), (217, 129240), (248, 113085), (252, 111290), (279, 100520), (280, 100161), (310, 90468), (315, 89032), (359, 78120), (360, 77903), (372, 75390), (420, 66774), (434, 64620), (465, 60312), (504, 55645), (558, 50260), (620, 45234), (630, 44516), (651, 43080), (718, 39060), (744, 37695), (840, 33387), (868, 32310), (930, 30156), (1077, 26040), (1085, 25848), (1116, 25130), (1240, 22617), (1260, 22258), (1302, 21540), (1395, 20104), (1436, 19530), (1736, 16155), (1795, 15624), (1860, 15078), (1953, 14360), (2154, 13020), (2170, 12924), (2232, 12565), (2513, 11160), (2520, 11129), (2604, 10770), (2790, 10052), (2872, 9765), (3231, 8680), (3255, 8616), (3590, 7812), (3720, 7539), (3906, 7180), (4308, 6510), (4340, 6462), (5026, 5580), (5208, 5385)]