15305940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1$

素因数の和:270

約数の個数: 144

約数和(自身を含む): 51856896

約数和(自身を除く): 36550956

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 31, 36, 39, 45, 52, 60, 62, 65, 78, 90, 93, 117, 124, 130, 155, 156, 180, 186, 195, 211, 234, 260, 279, 310, 372, 390, 403, 422, 465, 468, 558, 585, 620, 633, 780, 806, 844, 930, 1055, 1116, 1170, 1209, 1266, 1395, 1612, 1860, 1899, 2015, 2110, 2340, 2418, 2532, 2743, 2790, 3165, 3627, 3798, 4030, 4220, 4836, 5486, 5580, 6045, 6330, 6541, 7254, 7596, 8060, 8229, 9495, 10972, 12090, 12660, 13082, 13715, 14508, 16458, 18135, 18990, 19623, 24180, 24687, 26164, 27430, 32705, 32916, 36270, 37980, 39246, 41145, 49374, 54860, 58869, 65410, 72540, 78492, 82290, 85033, 98115, 98748, 117738, 123435, 130820, 164580, 170066, 196230, 235476, 246870, 255099, 294345, 340132, 392460, 425165, 493740, 510198, 588690, 765297, 850330, 1020396, 1177380, 1275495, 1530594, 1700660, 2550990, 3061188, 3826485, 5101980, 7652970, 15305940]

約数ペア:

[(1, 15305940), (2, 7652970), (3, 5101980), (4, 3826485), (5, 3061188), (6, 2550990), (9, 1700660), (10, 1530594), (12, 1275495), (13, 1177380), (15, 1020396), (18, 850330), (20, 765297), (26, 588690), (30, 510198), (31, 493740), (36, 425165), (39, 392460), (45, 340132), (52, 294345), (60, 255099), (62, 246870), (65, 235476), (78, 196230), (90, 170066), (93, 164580), (117, 130820), (124, 123435), (130, 117738), (155, 98748), (156, 98115), (180, 85033), (186, 82290), (195, 78492), (211, 72540), (234, 65410), (260, 58869), (279, 54860), (310, 49374), (372, 41145), (390, 39246), (403, 37980), (422, 36270), (465, 32916), (468, 32705), (558, 27430), (585, 26164), (620, 24687), (633, 24180), (780, 19623), (806, 18990), (844, 18135), (930, 16458), (1055, 14508), (1116, 13715), (1170, 13082), (1209, 12660), (1266, 12090), (1395, 10972), (1612, 9495), (1860, 8229), (1899, 8060), (2015, 7596), (2110, 7254), (2340, 6541), (2418, 6330), (2532, 6045), (2743, 5580), (2790, 5486), (3165, 4836), (3627, 4220), (3798, 4030)]