1929420

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{397}}^1$

素因数の和:421

約数の個数: 72

約数和(自身を含む): 6084624

約数和(自身を除く): 4155204

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 397, 405, 486, 540, 794, 810, 972, 1191, 1215, 1588, 1620, 1985, 2382, 2430, 3573, 3970, 4764, 4860, 5955, 7146, 7940, 10719, 11910, 14292, 17865, 21438, 23820, 32157, 35730, 42876, 53595, 64314, 71460, 96471, 107190, 128628, 160785, 192942, 214380, 321570, 385884, 482355, 643140, 964710, 1929420]

約数ペア:

[(1, 1929420), (2, 964710), (3, 643140), (4, 482355), (5, 385884), (6, 321570), (9, 214380), (10, 192942), (12, 160785), (15, 128628), (18, 107190), (20, 96471), (27, 71460), (30, 64314), (36, 53595), (45, 42876), (54, 35730), (60, 32157), (81, 23820), (90, 21438), (108, 17865), (135, 14292), (162, 11910), (180, 10719), (243, 7940), (270, 7146), (324, 5955), (397, 4860), (405, 4764), (486, 3970), (540, 3573), (794, 2430), (810, 2382), (972, 1985), (1191, 1620), (1215, 1588)]