72151820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{359}}^1\times {\mathrm{773}}^1$

素因数の和:1154

約数の個数: 48

約数和(自身を含む): 163840320

約数和(自身を除く): 91688500

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 359, 718, 773, 1436, 1546, 1795, 3092, 3590, 3865, 4667, 7180, 7730, 9334, 10049, 15460, 18668, 20098, 23335, 40196, 46670, 50245, 93340, 100490, 200980, 277507, 555014, 1110028, 1387535, 2775070, 3607591, 5550140, 7215182, 14430364, 18037955, 36075910, 72151820]

約数ペア:

[(1, 72151820), (2, 36075910), (4, 18037955), (5, 14430364), (10, 7215182), (13, 5550140), (20, 3607591), (26, 2775070), (52, 1387535), (65, 1110028), (130, 555014), (260, 277507), (359, 200980), (718, 100490), (773, 93340), (1436, 50245), (1546, 46670), (1795, 40196), (3092, 23335), (3590, 20098), (3865, 18668), (4667, 15460), (7180, 10049), (7730, 9334)]