31623840

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{21961}}^1$

素因数の和:21982

約数の個数: 72

約数和(自身を含む): 107921268

約数和(自身を除く): 76297428

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 21961, 43922, 65883, 87844, 109805, 131766, 175688, 197649, 219610, 263532, 329415, 351376, 395298, 439220, 527064, 658830, 702752, 790596, 878440, 988245, 1054128, 1317660, 1581192, 1756880, 1976490, 2108256, 2635320, 3162384, 3513760, 3952980, 5270640, 6324768, 7905960, 10541280, 15811920, 31623840]

約数ペア:

[(1, 31623840), (2, 15811920), (3, 10541280), (4, 7905960), (5, 6324768), (6, 5270640), (8, 3952980), (9, 3513760), (10, 3162384), (12, 2635320), (15, 2108256), (16, 1976490), (18, 1756880), (20, 1581192), (24, 1317660), (30, 1054128), (32, 988245), (36, 878440), (40, 790596), (45, 702752), (48, 658830), (60, 527064), (72, 439220), (80, 395298), (90, 351376), (96, 329415), (120, 263532), (144, 219610), (160, 197649), (180, 175688), (240, 131766), (288, 109805), (360, 87844), (480, 65883), (720, 43922), (1440, 21961)]