15163980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19441}}^1$

素因数の和:19466

約数の個数: 48

約数和(自身を含む): 45727584

約数和(自身を除く): 30563604

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 19441, 38882, 58323, 77764, 97205, 116646, 194410, 233292, 252733, 291615, 388820, 505466, 583230, 758199, 1010932, 1166460, 1263665, 1516398, 2527330, 3032796, 3790995, 5054660, 7581990, 15163980]

約数ペア:

[(1, 15163980), (2, 7581990), (3, 5054660), (4, 3790995), (5, 3032796), (6, 2527330), (10, 1516398), (12, 1263665), (13, 1166460), (15, 1010932), (20, 758199), (26, 583230), (30, 505466), (39, 388820), (52, 291615), (60, 252733), (65, 233292), (78, 194410), (130, 116646), (156, 97205), (195, 77764), (260, 58323), (390, 38882), (780, 19441)]