213431280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{28687}}^1$

素因数の和:28734

約数の個数: 80

約数和(自身を含む): 683003904

約数和(自身を除く): 469572624

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 930, 1240, 1488, 1860, 2480, 3720, 7440, 28687, 57374, 86061, 114748, 143435, 172122, 229496, 286870, 344244, 430305, 458992, 573740, 688488, 860610, 889297, 1147480, 1376976, 1721220, 1778594, 2294960, 2667891, 3442440, 3557188, 4446485, 5335782, 6884880, 7114376, 8892970, 10671564, 13339455, 14228752, 17785940, 21343128, 26678910, 35571880, 42686256, 53357820, 71143760, 106715640, 213431280]

約数ペア:

[(1, 213431280), (2, 106715640), (3, 71143760), (4, 53357820), (5, 42686256), (6, 35571880), (8, 26678910), (10, 21343128), (12, 17785940), (15, 14228752), (16, 13339455), (20, 10671564), (24, 8892970), (30, 7114376), (31, 6884880), (40, 5335782), (48, 4446485), (60, 3557188), (62, 3442440), (80, 2667891), (93, 2294960), (120, 1778594), (124, 1721220), (155, 1376976), (186, 1147480), (240, 889297), (248, 860610), (310, 688488), (372, 573740), (465, 458992), (496, 430305), (620, 344244), (744, 286870), (930, 229496), (1240, 172122), (1488, 143435), (1860, 114748), (2480, 86061), (3720, 57374), (7440, 28687)]