38407140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{6883}}^1$

素因数の和:6929

約数の個数: 72

約数和(自身を含む): 120277248

約数和(自身を除く): 81870108

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, 6883, 13766, 20649, 27532, 34415, 41298, 61947, 68830, 82596, 103245, 123894, 137660, 206490, 213373, 247788, 309735, 412980, 426746, 619470, 640119, 853492, 1066865, 1238940, 1280238, 1920357, 2133730, 2560476, 3200595, 3840714, 4267460, 6401190, 7681428, 9601785, 12802380, 19203570, 38407140]

約数ペア:

[(1, 38407140), (2, 19203570), (3, 12802380), (4, 9601785), (5, 7681428), (6, 6401190), (9, 4267460), (10, 3840714), (12, 3200595), (15, 2560476), (18, 2133730), (20, 1920357), (30, 1280238), (31, 1238940), (36, 1066865), (45, 853492), (60, 640119), (62, 619470), (90, 426746), (93, 412980), (124, 309735), (155, 247788), (180, 213373), (186, 206490), (279, 137660), (310, 123894), (372, 103245), (465, 82596), (558, 68830), (620, 61947), (930, 41298), (1116, 34415), (1395, 27532), (1860, 20649), (2790, 13766), (5580, 6883)]