12813540

素因数分解:

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

素因数の和:209

約数の個数: 72

約数和(自身を含む): 37486848

約数和(自身を除く): 24673308

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 83, 93, 124, 155, 166, 186, 249, 310, 332, 372, 415, 465, 498, 620, 830, 930, 996, 1245, 1660, 1860, 2490, 2573, 4980, 5146, 6889, 7719, 10292, 12865, 13778, 15438, 20667, 25730, 27556, 30876, 34445, 38595, 41334, 51460, 68890, 77190, 82668, 103335, 137780, 154380, 206670, 213559, 413340, 427118, 640677, 854236, 1067795, 1281354, 2135590, 2562708, 3203385, 4271180, 6406770, 12813540]

約数ペア:

[(1, 12813540), (2, 6406770), (3, 4271180), (4, 3203385), (5, 2562708), (6, 2135590), (10, 1281354), (12, 1067795), (15, 854236), (20, 640677), (30, 427118), (31, 413340), (60, 213559), (62, 206670), (83, 154380), (93, 137780), (124, 103335), (155, 82668), (166, 77190), (186, 68890), (249, 51460), (310, 41334), (332, 38595), (372, 34445), (415, 30876), (465, 27556), (498, 25730), (620, 20667), (830, 15438), (930, 13778), (996, 12865), (1245, 10292), (1660, 7719), (1860, 6889), (2490, 5146), (2573, 4980)]