1388760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1$

素因数の和:248

約数の個数: 64

約数和(自身を含む): 4250880

約数和(自身を除く): 2862120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 71, 120, 142, 163, 213, 284, 326, 355, 426, 489, 568, 652, 710, 815, 852, 978, 1065, 1304, 1420, 1630, 1704, 1956, 2130, 2445, 2840, 3260, 3912, 4260, 4890, 6520, 8520, 9780, 11573, 19560, 23146, 34719, 46292, 57865, 69438, 92584, 115730, 138876, 173595, 231460, 277752, 347190, 462920, 694380, 1388760]

約数ペア:

[(1, 1388760), (2, 694380), (3, 462920), (4, 347190), (5, 277752), (6, 231460), (8, 173595), (10, 138876), (12, 115730), (15, 92584), (20, 69438), (24, 57865), (30, 46292), (40, 34719), (60, 23146), (71, 19560), (120, 11573), (142, 9780), (163, 8520), (213, 6520), (284, 4890), (326, 4260), (355, 3912), (426, 3260), (489, 2840), (568, 2445), (652, 2130), (710, 1956), (815, 1704), (852, 1630), (978, 1420), (1065, 1304)]