19428581520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{26984141}}^1$

素因数の和:26984160

約数の個数: 60

約数和(自身を含む): 65247655356

約数和(自身を除く): 45819073836

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 26984141, 53968282, 80952423, 107936564, 134920705, 161904846, 215873128, 242857269, 269841410, 323809692, 404762115, 431746256, 485714538, 539682820, 647619384, 809524230, 971429076, 1079365640, 1214286345, 1295238768, 1619048460, 1942858152, 2158731280, 2428572690, 3238096920, 3885716304, 4857145380, 6476193840, 9714290760, 19428581520]

約数ペア:

[(1, 19428581520), (2, 9714290760), (3, 6476193840), (4, 4857145380), (5, 3885716304), (6, 3238096920), (8, 2428572690), (9, 2158731280), (10, 1942858152), (12, 1619048460), (15, 1295238768), (16, 1214286345), (18, 1079365640), (20, 971429076), (24, 809524230), (30, 647619384), (36, 539682820), (40, 485714538), (45, 431746256), (48, 404762115), (60, 323809692), (72, 269841410), (80, 242857269), (90, 215873128), (120, 161904846), (144, 134920705), (180, 107936564), (240, 80952423), (360, 53968282), (720, 26984141)]