254639580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{10531}}^1$

素因数の和:10587

約数の個数: 96

約数和(自身を含む): 792680448

約数和(自身を除く): 538040868

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 31, 39, 52, 60, 62, 65, 78, 93, 124, 130, 155, 156, 186, 195, 260, 310, 372, 390, 403, 465, 620, 780, 806, 930, 1209, 1612, 1860, 2015, 2418, 4030, 4836, 6045, 8060, 10531, 12090, 21062, 24180, 31593, 42124, 52655, 63186, 105310, 126372, 136903, 157965, 210620, 273806, 315930, 326461, 410709, 547612, 631860, 652922, 684515, 821418, 979383, 1305844, 1369030, 1632305, 1642836, 1958766, 2053545, 2738060, 3264610, 3917532, 4107090, 4243993, 4896915, 6529220, 8214180, 8487986, 9793830, 12731979, 16975972, 19587660, 21219965, 25463958, 42439930, 50927916, 63659895, 84879860, 127319790, 254639580]

約数ペア:

[(1, 254639580), (2, 127319790), (3, 84879860), (4, 63659895), (5, 50927916), (6, 42439930), (10, 25463958), (12, 21219965), (13, 19587660), (15, 16975972), (20, 12731979), (26, 9793830), (30, 8487986), (31, 8214180), (39, 6529220), (52, 4896915), (60, 4243993), (62, 4107090), (65, 3917532), (78, 3264610), (93, 2738060), (124, 2053545), (130, 1958766), (155, 1642836), (156, 1632305), (186, 1369030), (195, 1305844), (260, 979383), (310, 821418), (372, 684515), (390, 652922), (403, 631860), (465, 547612), (620, 410709), (780, 326461), (806, 315930), (930, 273806), (1209, 210620), (1612, 157965), (1860, 136903), (2015, 126372), (2418, 105310), (4030, 63186), (4836, 52655), (6045, 42124), (8060, 31593), (10531, 24180), (12090, 21062)]