1620007920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{401}}^1$

素因数の和:632

約数の個数: 240

約数和(自身を含む): 5661137664

約数和(自身を除く): 4041129744

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 36, 40, 45, 48, 60, 62, 72, 80, 90, 93, 120, 124, 144, 155, 180, 181, 186, 240, 248, 279, 310, 360, 362, 372, 401, 465, 496, 543, 558, 620, 720, 724, 744, 802, 905, 930, 1086, 1116, 1203, 1240, 1395, 1448, 1488, 1604, 1629, 1810, 1860, 2005, 2172, 2232, 2406, 2480, 2715, 2790, 2896, 3208, 3258, 3609, 3620, 3720, 4010, 4344, 4464, 4812, 5430, 5580, 5611, 6015, 6416, 6516, 7218, 7240, 7440, 8020, 8145, 8688, 9624, 10860, 11160, 11222, 12030, 12431, 13032, 14436, 14480, 16040, 16290, 16833, 18045, 19248, 21720, 22320, 22444, 24060, 24862, 26064, 28055, 28872, 32080, 32580, 33666, 36090, 37293, 43440, 44888, 48120, 49724, 50499, 56110, 57744, 62155, 65160, 67332, 72180, 72581, 74586, 84165, 89776, 96240, 99448, 100998, 111879, 112220, 124310, 130320, 134664, 144360, 145162, 149172, 168330, 186465, 198896, 201996, 217743, 223758, 224440, 248620, 252495, 269328, 288720, 290324, 298344, 336660, 362905, 372930, 403992, 435486, 447516, 448880, 497240, 504990, 559395, 580648, 596688, 653229, 673320, 725810, 745860, 807984, 870972, 895032, 994480, 1009980, 1088715, 1118790, 1161296, 1306458, 1346640, 1451620, 1491720, 1741944, 1790064, 2019960, 2177430, 2237580, 2250011, 2612916, 2903240, 2983440, 3266145, 3483888, 4039920, 4354860, 4475160, 4500022, 5225832, 5806480, 6532290, 6750033, 8709720, 8950320, 9000044, 10451664, 11250055, 13064580, 13500066, 17419440, 18000088, 20250099, 22500110, 26129160, 27000132, 33750165, 36000176, 40500198, 45000220, 52258320, 54000264, 67500330, 81000396, 90000440, 101250495, 108000528, 135000660, 162000792, 180000880, 202500990, 270001320, 324001584, 405001980, 540002640, 810003960, 1620007920]

約数ペア:

[(1, 1620007920), (2, 810003960), (3, 540002640), (4, 405001980), (5, 324001584), (6, 270001320), (8, 202500990), (9, 180000880), (10, 162000792), (12, 135000660), (15, 108000528), (16, 101250495), (18, 90000440), (20, 81000396), (24, 67500330), (30, 54000264), (31, 52258320), (36, 45000220), (40, 40500198), (45, 36000176), (48, 33750165), (60, 27000132), (62, 26129160), (72, 22500110), (80, 20250099), (90, 18000088), (93, 17419440), (120, 13500066), (124, 13064580), (144, 11250055), (155, 10451664), (180, 9000044), (181, 8950320), (186, 8709720), (240, 6750033), (248, 6532290), (279, 5806480), (310, 5225832), (360, 4500022), (362, 4475160), (372, 4354860), (401, 4039920), (465, 3483888), (496, 3266145), (543, 2983440), (558, 2903240), (620, 2612916), (720, 2250011), (724, 2237580), (744, 2177430), (802, 2019960), (905, 1790064), (930, 1741944), (1086, 1491720), (1116, 1451620), (1203, 1346640), (1240, 1306458), (1395, 1161296), (1448, 1118790), (1488, 1088715), (1604, 1009980), (1629, 994480), (1810, 895032), (1860, 870972), (2005, 807984), (2172, 745860), (2232, 725810), (2406, 673320), (2480, 653229), (2715, 596688), (2790, 580648), (2896, 559395), (3208, 504990), (3258, 497240), (3609, 448880), (3620, 447516), (3720, 435486), (4010, 403992), (4344, 372930), (4464, 362905), (4812, 336660), (5430, 298344), (5580, 290324), (5611, 288720), (6015, 269328), (6416, 252495), (6516, 248620), (7218, 224440), (7240, 223758), (7440, 217743), (8020, 201996), (8145, 198896), (8688, 186465), (9624, 168330), (10860, 149172), (11160, 145162), (11222, 144360), (12030, 134664), (12431, 130320), (13032, 124310), (14436, 112220), (14480, 111879), (16040, 100998), (16290, 99448), (16833, 96240), (18045, 89776), (19248, 84165), (21720, 74586), (22320, 72581), (22444, 72180), (24060, 67332), (24862, 65160), (26064, 62155), (28055, 57744), (28872, 56110), (32080, 50499), (32580, 49724), (33666, 48120), (36090, 44888), (37293, 43440)]