216978240

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2861}}^1$

素因数の和:2960

約数の個数: 112

約数和(自身を含む): 697870080

約数和(自身を除く): 480891840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 79, 80, 96, 120, 158, 160, 192, 237, 240, 316, 320, 395, 474, 480, 632, 790, 948, 960, 1185, 1264, 1580, 1896, 2370, 2528, 2861, 3160, 3792, 4740, 5056, 5722, 6320, 7584, 8583, 9480, 11444, 12640, 14305, 15168, 17166, 18960, 22888, 25280, 28610, 34332, 37920, 42915, 45776, 57220, 68664, 75840, 85830, 91552, 114440, 137328, 171660, 183104, 226019, 228880, 274656, 343320, 452038, 457760, 549312, 678057, 686640, 904076, 915520, 1130095, 1356114, 1373280, 1808152, 2260190, 2712228, 2746560, 3390285, 3616304, 4520380, 5424456, 6780570, 7232608, 9040760, 10848912, 13561140, 14465216, 18081520, 21697824, 27122280, 36163040, 43395648, 54244560, 72326080, 108489120, 216978240]

約数ペア:

[(1, 216978240), (2, 108489120), (3, 72326080), (4, 54244560), (5, 43395648), (6, 36163040), (8, 27122280), (10, 21697824), (12, 18081520), (15, 14465216), (16, 13561140), (20, 10848912), (24, 9040760), (30, 7232608), (32, 6780570), (40, 5424456), (48, 4520380), (60, 3616304), (64, 3390285), (79, 2746560), (80, 2712228), (96, 2260190), (120, 1808152), (158, 1373280), (160, 1356114), (192, 1130095), (237, 915520), (240, 904076), (316, 686640), (320, 678057), (395, 549312), (474, 457760), (480, 452038), (632, 343320), (790, 274656), (948, 228880), (960, 226019), (1185, 183104), (1264, 171660), (1580, 137328), (1896, 114440), (2370, 91552), (2528, 85830), (2861, 75840), (3160, 68664), (3792, 57220), (4740, 45776), (5056, 42915), (5722, 37920), (6320, 34332), (7584, 28610), (8583, 25280), (9480, 22888), (11444, 18960), (12640, 17166), (14305, 15168)]