238620720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{76481}}^1$

素因数の和:76510

約数の個数: 80

約数和(自身を含む): 796636512

約数和(自身を除く): 558015792

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 76481, 152962, 229443, 305924, 382405, 458886, 611848, 764810, 917772, 994253, 1147215, 1223696, 1529620, 1835544, 1988506, 2294430, 2982759, 3059240, 3671088, 3977012, 4588860, 4971265, 5965518, 6118480, 7954024, 9177720, 9942530, 11931036, 14913795, 15908048, 18355440, 19885060, 23862072, 29827590, 39770120, 47724144, 59655180, 79540240, 119310360, 238620720]

約数ペア:

[(1, 238620720), (2, 119310360), (3, 79540240), (4, 59655180), (5, 47724144), (6, 39770120), (8, 29827590), (10, 23862072), (12, 19885060), (13, 18355440), (15, 15908048), (16, 14913795), (20, 11931036), (24, 9942530), (26, 9177720), (30, 7954024), (39, 6118480), (40, 5965518), (48, 4971265), (52, 4588860), (60, 3977012), (65, 3671088), (78, 3059240), (80, 2982759), (104, 2294430), (120, 1988506), (130, 1835544), (156, 1529620), (195, 1223696), (208, 1147215), (240, 994253), (260, 917772), (312, 764810), (390, 611848), (520, 458886), (624, 382405), (780, 305924), (1040, 229443), (1560, 152962), (3120, 76481)]