78987120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{397}}^1\times {\mathrm{829}}^1$

素因数の和:1242

約数の個数: 80

約数和(自身を含む): 245772960

約数和(自身を除く): 166785840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 397, 794, 829, 1191, 1588, 1658, 1985, 2382, 2487, 3176, 3316, 3970, 4145, 4764, 4974, 5955, 6352, 6632, 7940, 8290, 9528, 9948, 11910, 12435, 13264, 15880, 16580, 19056, 19896, 23820, 24870, 31760, 33160, 39792, 47640, 49740, 66320, 95280, 99480, 198960, 329113, 658226, 987339, 1316452, 1645565, 1974678, 2632904, 3291130, 3949356, 4936695, 5265808, 6582260, 7898712, 9873390, 13164520, 15797424, 19746780, 26329040, 39493560, 78987120]

約数ペア:

[(1, 78987120), (2, 39493560), (3, 26329040), (4, 19746780), (5, 15797424), (6, 13164520), (8, 9873390), (10, 7898712), (12, 6582260), (15, 5265808), (16, 4936695), (20, 3949356), (24, 3291130), (30, 2632904), (40, 1974678), (48, 1645565), (60, 1316452), (80, 987339), (120, 658226), (240, 329113), (397, 198960), (794, 99480), (829, 95280), (1191, 66320), (1588, 49740), (1658, 47640), (1985, 39792), (2382, 33160), (2487, 31760), (3176, 24870), (3316, 23820), (3970, 19896), (4145, 19056), (4764, 16580), (4974, 15880), (5955, 13264), (6352, 12435), (6632, 11910), (7940, 9948), (8290, 9528)]