643747920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{839}}^1$

素因数の和:1017

約数の個数: 160

約数和(自身を含む): 2099865600

約数和(自身を除く): 1456117680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 60, 69, 80, 92, 115, 120, 138, 139, 184, 230, 240, 276, 278, 345, 368, 417, 460, 552, 556, 690, 695, 834, 839, 920, 1104, 1112, 1380, 1390, 1668, 1678, 1840, 2085, 2224, 2517, 2760, 2780, 3197, 3336, 3356, 4170, 4195, 5034, 5520, 5560, 6394, 6672, 6712, 8340, 8390, 9591, 10068, 11120, 12585, 12788, 13424, 15985, 16680, 16780, 19182, 19297, 20136, 25170, 25576, 31970, 33360, 33560, 38364, 38594, 40272, 47955, 50340, 51152, 57891, 63940, 67120, 76728, 77188, 95910, 96485, 100680, 115782, 116621, 127880, 153456, 154376, 191820, 192970, 201360, 231564, 233242, 255760, 289455, 308752, 349863, 383640, 385940, 463128, 466484, 578910, 583105, 699726, 767280, 771880, 926256, 932968, 1157820, 1166210, 1399452, 1543760, 1749315, 1865936, 2315640, 2332420, 2682283, 2798904, 3498630, 4631280, 4664840, 5364566, 5597808, 6997260, 8046849, 9329680, 10729132, 13411415, 13994520, 16093698, 21458264, 26822830, 27989040, 32187396, 40234245, 42916528, 53645660, 64374792, 80468490, 107291320, 128749584, 160936980, 214582640, 321873960, 643747920]

約数ペア:

[(1, 643747920), (2, 321873960), (3, 214582640), (4, 160936980), (5, 128749584), (6, 107291320), (8, 80468490), (10, 64374792), (12, 53645660), (15, 42916528), (16, 40234245), (20, 32187396), (23, 27989040), (24, 26822830), (30, 21458264), (40, 16093698), (46, 13994520), (48, 13411415), (60, 10729132), (69, 9329680), (80, 8046849), (92, 6997260), (115, 5597808), (120, 5364566), (138, 4664840), (139, 4631280), (184, 3498630), (230, 2798904), (240, 2682283), (276, 2332420), (278, 2315640), (345, 1865936), (368, 1749315), (417, 1543760), (460, 1399452), (552, 1166210), (556, 1157820), (690, 932968), (695, 926256), (834, 771880), (839, 767280), (920, 699726), (1104, 583105), (1112, 578910), (1380, 466484), (1390, 463128), (1668, 385940), (1678, 383640), (1840, 349863), (2085, 308752), (2224, 289455), (2517, 255760), (2760, 233242), (2780, 231564), (3197, 201360), (3336, 192970), (3356, 191820), (4170, 154376), (4195, 153456), (5034, 127880), (5520, 116621), (5560, 115782), (6394, 100680), (6672, 96485), (6712, 95910), (8340, 77188), (8390, 76728), (9591, 67120), (10068, 63940), (11120, 57891), (12585, 51152), (12788, 50340), (13424, 47955), (15985, 40272), (16680, 38594), (16780, 38364), (19182, 33560), (19297, 33360), (20136, 31970), (25170, 25576)]