287930280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{331}}^1\times {\mathrm{659}}^1$

素因数の和:1015

約数の個数: 128

約数和(自身を含む): 946598400

約数和(自身を除く): 658668120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 331, 440, 659, 660, 662, 993, 1318, 1320, 1324, 1655, 1977, 1986, 2636, 2648, 3295, 3310, 3641, 3954, 3972, 4965, 5272, 6590, 6620, 7249, 7282, 7908, 7944, 9885, 9930, 10923, 13180, 13240, 14498, 14564, 15816, 18205, 19770, 19860, 21747, 21846, 26360, 28996, 29128, 36245, 36410, 39540, 39720, 43494, 43692, 54615, 57992, 72490, 72820, 79080, 86988, 87384, 108735, 109230, 144980, 145640, 173976, 217470, 218129, 218460, 289960, 434940, 436258, 436920, 654387, 869880, 872516, 1090645, 1308774, 1745032, 2181290, 2399419, 2617548, 3271935, 4362580, 4798838, 5235096, 6543870, 7198257, 8725160, 9597676, 11997095, 13087740, 14396514, 19195352, 23994190, 26175480, 28793028, 35991285, 47988380, 57586056, 71982570, 95976760, 143965140, 287930280]

約数ペア:

[(1, 287930280), (2, 143965140), (3, 95976760), (4, 71982570), (5, 57586056), (6, 47988380), (8, 35991285), (10, 28793028), (11, 26175480), (12, 23994190), (15, 19195352), (20, 14396514), (22, 13087740), (24, 11997095), (30, 9597676), (33, 8725160), (40, 7198257), (44, 6543870), (55, 5235096), (60, 4798838), (66, 4362580), (88, 3271935), (110, 2617548), (120, 2399419), (132, 2181290), (165, 1745032), (220, 1308774), (264, 1090645), (330, 872516), (331, 869880), (440, 654387), (659, 436920), (660, 436258), (662, 434940), (993, 289960), (1318, 218460), (1320, 218129), (1324, 217470), (1655, 173976), (1977, 145640), (1986, 144980), (2636, 109230), (2648, 108735), (3295, 87384), (3310, 86988), (3641, 79080), (3954, 72820), (3972, 72490), (4965, 57992), (5272, 54615), (6590, 43692), (6620, 43494), (7249, 39720), (7282, 39540), (7908, 36410), (7944, 36245), (9885, 29128), (9930, 28996), (10923, 26360), (13180, 21846), (13240, 21747), (14498, 19860), (14564, 19770), (15816, 18205)]