18428280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{11813}}^1$

素因数の和:11840

約数の個数: 64

約数和(自身を含む): 59542560

約数和(自身を除く): 41114280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 11813, 23626, 35439, 47252, 59065, 70878, 94504, 118130, 141756, 153569, 177195, 236260, 283512, 307138, 354390, 460707, 472520, 614276, 708780, 767845, 921414, 1228552, 1417560, 1535690, 1842828, 2303535, 3071380, 3685656, 4607070, 6142760, 9214140, 18428280]

約数ペア:

[(1, 18428280), (2, 9214140), (3, 6142760), (4, 4607070), (5, 3685656), (6, 3071380), (8, 2303535), (10, 1842828), (12, 1535690), (13, 1417560), (15, 1228552), (20, 921414), (24, 767845), (26, 708780), (30, 614276), (39, 472520), (40, 460707), (52, 354390), (60, 307138), (65, 283512), (78, 236260), (104, 177195), (120, 153569), (130, 141756), (156, 118130), (195, 94504), (260, 70878), (312, 59065), (390, 47252), (520, 35439), (780, 23626), (1560, 11813)]