1878906640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{106273}}^1$

素因数の和:106316

約数の個数: 80

約数和(自身を含む): 4981274928

約数和(自身を除く): 3102368288

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 34, 40, 52, 65, 68, 80, 85, 104, 130, 136, 170, 208, 221, 260, 272, 340, 442, 520, 680, 884, 1040, 1105, 1360, 1768, 2210, 3536, 4420, 8840, 17680, 106273, 212546, 425092, 531365, 850184, 1062730, 1381549, 1700368, 1806641, 2125460, 2763098, 3613282, 4250920, 5526196, 6907745, 7226564, 8501840, 9033205, 11052392, 13815490, 14453128, 18066410, 22104784, 23486333, 27630980, 28906256, 36132820, 46972666, 55261960, 72265640, 93945332, 110523920, 117431665, 144531280, 187890664, 234863330, 375781328, 469726660, 939453320, 1878906640]

約数ペア:

[(1, 1878906640), (2, 939453320), (4, 469726660), (5, 375781328), (8, 234863330), (10, 187890664), (13, 144531280), (16, 117431665), (17, 110523920), (20, 93945332), (26, 72265640), (34, 55261960), (40, 46972666), (52, 36132820), (65, 28906256), (68, 27630980), (80, 23486333), (85, 22104784), (104, 18066410), (130, 14453128), (136, 13815490), (170, 11052392), (208, 9033205), (221, 8501840), (260, 7226564), (272, 6907745), (340, 5526196), (442, 4250920), (520, 3613282), (680, 2763098), (884, 2125460), (1040, 1806641), (1105, 1700368), (1360, 1381549), (1768, 1062730), (2210, 850184), (3536, 531365), (4420, 425092), (8840, 212546), (17680, 106273)]