2006940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1$

素因数の和:139

約数の個数: 96

約数和(自身を含む): 6322176

約数和(自身を除く): 4315236

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 31, 39, 52, 60, 62, 65, 78, 83, 93, 124, 130, 155, 156, 166, 186, 195, 249, 260, 310, 332, 372, 390, 403, 415, 465, 498, 620, 780, 806, 830, 930, 996, 1079, 1209, 1245, 1612, 1660, 1860, 2015, 2158, 2418, 2490, 2573, 3237, 4030, 4316, 4836, 4980, 5146, 5395, 6045, 6474, 7719, 8060, 10292, 10790, 12090, 12865, 12948, 15438, 16185, 21580, 24180, 25730, 30876, 32370, 33449, 38595, 51460, 64740, 66898, 77190, 100347, 133796, 154380, 167245, 200694, 334490, 401388, 501735, 668980, 1003470, 2006940]

約数ペア:

[(1, 2006940), (2, 1003470), (3, 668980), (4, 501735), (5, 401388), (6, 334490), (10, 200694), (12, 167245), (13, 154380), (15, 133796), (20, 100347), (26, 77190), (30, 66898), (31, 64740), (39, 51460), (52, 38595), (60, 33449), (62, 32370), (65, 30876), (78, 25730), (83, 24180), (93, 21580), (124, 16185), (130, 15438), (155, 12948), (156, 12865), (166, 12090), (186, 10790), (195, 10292), (249, 8060), (260, 7719), (310, 6474), (332, 6045), (372, 5395), (390, 5146), (403, 4980), (415, 4836), (465, 4316), (498, 4030), (620, 3237), (780, 2573), (806, 2490), (830, 2418), (930, 2158), (996, 2015), (1079, 1860), (1209, 1660), (1245, 1612)]