320057520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{5189}}^1$

素因数の和:5462

約数の個数: 80

約数和(自身を含む): 996230880

約数和(自身を除く): 676173360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 257, 514, 771, 1028, 1285, 1542, 2056, 2570, 3084, 3855, 4112, 5140, 5189, 6168, 7710, 10280, 10378, 12336, 15420, 15567, 20560, 20756, 25945, 30840, 31134, 41512, 51890, 61680, 62268, 77835, 83024, 103780, 124536, 155670, 207560, 249072, 311340, 415120, 622680, 1245360, 1333573, 2667146, 4000719, 5334292, 6667865, 8001438, 10668584, 13335730, 16002876, 20003595, 21337168, 26671460, 32005752, 40007190, 53342920, 64011504, 80014380, 106685840, 160028760, 320057520]

約数ペア:

[(1, 320057520), (2, 160028760), (3, 106685840), (4, 80014380), (5, 64011504), (6, 53342920), (8, 40007190), (10, 32005752), (12, 26671460), (15, 21337168), (16, 20003595), (20, 16002876), (24, 13335730), (30, 10668584), (40, 8001438), (48, 6667865), (60, 5334292), (80, 4000719), (120, 2667146), (240, 1333573), (257, 1245360), (514, 622680), (771, 415120), (1028, 311340), (1285, 249072), (1542, 207560), (2056, 155670), (2570, 124536), (3084, 103780), (3855, 83024), (4112, 77835), (5140, 62268), (5189, 61680), (6168, 51890), (7710, 41512), (10280, 31134), (10378, 30840), (12336, 25945), (15420, 20756), (15567, 20560)]