90669420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{16249}}^1$

素因数の和:16295

約数の個数: 72

約数和(自身を含む): 283920000

約数和(自身を除く): 193250580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 5580, 16249, 32498, 48747, 64996, 81245, 97494, 146241, 162490, 194988, 243735, 292482, 324980, 487470, 503719, 584964, 731205, 974940, 1007438, 1462410, 1511157, 2014876, 2518595, 2924820, 3022314, 4533471, 5037190, 6044628, 7555785, 9066942, 10074380, 15111570, 18133884, 22667355, 30223140, 45334710, 90669420]

約数ペア:

[(1, 90669420), (2, 45334710), (3, 30223140), (4, 22667355), (5, 18133884), (6, 15111570), (9, 10074380), (10, 9066942), (12, 7555785), (15, 6044628), (18, 5037190), (20, 4533471), (30, 3022314), (31, 2924820), (36, 2518595), (45, 2014876), (60, 1511157), (62, 1462410), (90, 1007438), (93, 974940), (124, 731205), (155, 584964), (180, 503719), (186, 487470), (279, 324980), (310, 292482), (372, 243735), (465, 194988), (558, 162490), (620, 146241), (930, 97494), (1116, 81245), (1395, 64996), (1860, 48747), (2790, 32498), (5580, 16249)]