16989960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{10891}}^1$

素因数の和:10918

約数の個数: 64

約数和(自身を含む): 54895680

約数和(自身を除く): 37905720

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, 10891, 21782, 32673, 43564, 54455, 65346, 87128, 108910, 130692, 141583, 163365, 217820, 261384, 283166, 326730, 424749, 435640, 566332, 653460, 707915, 849498, 1132664, 1306920, 1415830, 1698996, 2123745, 2831660, 3397992, 4247490, 5663320, 8494980, 16989960]

約数ペア:

[(1, 16989960), (2, 8494980), (3, 5663320), (4, 4247490), (5, 3397992), (6, 2831660), (8, 2123745), (10, 1698996), (12, 1415830), (13, 1306920), (15, 1132664), (20, 849498), (24, 707915), (26, 653460), (30, 566332), (39, 435640), (40, 424749), (52, 326730), (60, 283166), (65, 261384), (78, 217820), (104, 163365), (120, 141583), (130, 130692), (156, 108910), (195, 87128), (260, 65346), (312, 54455), (390, 43564), (520, 32673), (780, 21782), (1560, 10891)]