257981400

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{331}}^1\times {\mathrm{433}}^1$

素因数の和:786

約数の個数: 144

約数和(自身を含む): 871011960

約数和(自身を除く): 613030560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 72, 75, 90, 100, 120, 150, 180, 200, 225, 300, 331, 360, 433, 450, 600, 662, 866, 900, 993, 1299, 1324, 1655, 1732, 1800, 1986, 2165, 2598, 2648, 2979, 3310, 3464, 3897, 3972, 4330, 4965, 5196, 5958, 6495, 6620, 7794, 7944, 8275, 8660, 9930, 10392, 10825, 11916, 12990, 13240, 14895, 15588, 16550, 17320, 19485, 19860, 21650, 23832, 24825, 25980, 29790, 31176, 32475, 33100, 38970, 39720, 43300, 49650, 51960, 59580, 64950, 66200, 74475, 77940, 86600, 97425, 99300, 119160, 129900, 143323, 148950, 155880, 194850, 198600, 259800, 286646, 297900, 389700, 429969, 573292, 595800, 716615, 779400, 859938, 1146584, 1289907, 1433230, 1719876, 2149845, 2579814, 2866460, 3439752, 3583075, 4299690, 5159628, 5732920, 6449535, 7166150, 8599380, 10319256, 10749225, 12899070, 14332300, 17198760, 21498450, 25798140, 28664600, 32247675, 42996900, 51596280, 64495350, 85993800, 128990700, 257981400]

約数ペア:

[(1, 257981400), (2, 128990700), (3, 85993800), (4, 64495350), (5, 51596280), (6, 42996900), (8, 32247675), (9, 28664600), (10, 25798140), (12, 21498450), (15, 17198760), (18, 14332300), (20, 12899070), (24, 10749225), (25, 10319256), (30, 8599380), (36, 7166150), (40, 6449535), (45, 5732920), (50, 5159628), (60, 4299690), (72, 3583075), (75, 3439752), (90, 2866460), (100, 2579814), (120, 2149845), (150, 1719876), (180, 1433230), (200, 1289907), (225, 1146584), (300, 859938), (331, 779400), (360, 716615), (433, 595800), (450, 573292), (600, 429969), (662, 389700), (866, 297900), (900, 286646), (993, 259800), (1299, 198600), (1324, 194850), (1655, 155880), (1732, 148950), (1800, 143323), (1986, 129900), (2165, 119160), (2598, 99300), (2648, 97425), (2979, 86600), (3310, 77940), (3464, 74475), (3897, 66200), (3972, 64950), (4330, 59580), (4965, 51960), (5196, 49650), (5958, 43300), (6495, 39720), (6620, 38970), (7794, 33100), (7944, 32475), (8275, 31176), (8660, 29790), (9930, 25980), (10392, 24825), (10825, 23832), (11916, 21650), (12990, 19860), (13240, 19485), (14895, 17320), (15588, 16550)]