1217787840

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{1087}}^1$

素因数の和:1499

約数の個数: 168

約数和(自身を含む): 4203313920

約数和(自身を除く): 2985526080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 144, 160, 180, 192, 240, 288, 320, 360, 389, 480, 576, 720, 778, 960, 1087, 1167, 1440, 1556, 1945, 2174, 2334, 2880, 3112, 3261, 3501, 3890, 4348, 4668, 5435, 5835, 6224, 6522, 7002, 7780, 8696, 9336, 9783, 10870, 11670, 12448, 13044, 14004, 15560, 16305, 17392, 17505, 18672, 19566, 21740, 23340, 24896, 26088, 28008, 31120, 32610, 34784, 35010, 37344, 39132, 43480, 46680, 48915, 52176, 56016, 62240, 65220, 69568, 70020, 74688, 78264, 86960, 93360, 97830, 104352, 112032, 124480, 130440, 140040, 156528, 173920, 186720, 195660, 208704, 224064, 260880, 280080, 313056, 347840, 373440, 391320, 422843, 521760, 560160, 626112, 782640, 845686, 1043520, 1120320, 1268529, 1565280, 1691372, 2114215, 2537058, 3130560, 3382744, 3805587, 4228430, 5074116, 6342645, 6765488, 7611174, 8456860, 10148232, 12685290, 13530976, 15222348, 16913720, 19027935, 20296464, 25370580, 27061952, 30444696, 33827440, 38055870, 40592928, 50741160, 60889392, 67654880, 76111740, 81185856, 101482320, 121778784, 135309760, 152223480, 202964640, 243557568, 304446960, 405929280, 608893920, 1217787840]

約数ペア:

[(1, 1217787840), (2, 608893920), (3, 405929280), (4, 304446960), (5, 243557568), (6, 202964640), (8, 152223480), (9, 135309760), (10, 121778784), (12, 101482320), (15, 81185856), (16, 76111740), (18, 67654880), (20, 60889392), (24, 50741160), (30, 40592928), (32, 38055870), (36, 33827440), (40, 30444696), (45, 27061952), (48, 25370580), (60, 20296464), (64, 19027935), (72, 16913720), (80, 15222348), (90, 13530976), (96, 12685290), (120, 10148232), (144, 8456860), (160, 7611174), (180, 6765488), (192, 6342645), (240, 5074116), (288, 4228430), (320, 3805587), (360, 3382744), (389, 3130560), (480, 2537058), (576, 2114215), (720, 1691372), (778, 1565280), (960, 1268529), (1087, 1120320), (1167, 1043520), (1440, 845686), (1556, 782640), (1945, 626112), (2174, 560160), (2334, 521760), (2880, 422843), (3112, 391320), (3261, 373440), (3501, 347840), (3890, 313056), (4348, 280080), (4668, 260880), (5435, 224064), (5835, 208704), (6224, 195660), (6522, 186720), (7002, 173920), (7780, 156528), (8696, 140040), (9336, 130440), (9783, 124480), (10870, 112032), (11670, 104352), (12448, 97830), (13044, 93360), (14004, 86960), (15560, 78264), (16305, 74688), (17392, 70020), (17505, 69568), (18672, 65220), (19566, 62240), (21740, 56016), (23340, 52176), (24896, 48915), (26088, 46680), (28008, 43480), (31120, 39132), (32610, 37344), (34784, 35010)]