80311500

素因数分解:

$2^2\times 3^5\times 5^3\times {\mathrm{661}}^1$

素因数の和:695

約数の個数: 144

約数和(自身を含む): 263137056

約数和(自身を除く): 182825556

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 81, 90, 100, 108, 125, 135, 150, 162, 180, 225, 243, 250, 270, 300, 324, 375, 405, 450, 486, 500, 540, 661, 675, 750, 810, 900, 972, 1125, 1215, 1322, 1350, 1500, 1620, 1983, 2025, 2250, 2430, 2644, 2700, 3305, 3375, 3966, 4050, 4500, 4860, 5949, 6075, 6610, 6750, 7932, 8100, 9915, 10125, 11898, 12150, 13220, 13500, 16525, 17847, 19830, 20250, 23796, 24300, 29745, 30375, 33050, 35694, 39660, 40500, 49575, 53541, 59490, 60750, 66100, 71388, 82625, 89235, 99150, 107082, 118980, 121500, 148725, 160623, 165250, 178470, 198300, 214164, 247875, 267705, 297450, 321246, 330500, 356940, 446175, 495750, 535410, 594900, 642492, 743625, 803115, 892350, 991500, 1070820, 1338525, 1487250, 1606230, 1784700, 2230875, 2677050, 2974500, 3212460, 4015575, 4461750, 5354100, 6692625, 8031150, 8923500, 13385250, 16062300, 20077875, 26770500, 40155750, 80311500]

約数ペア:

[(1, 80311500), (2, 40155750), (3, 26770500), (4, 20077875), (5, 16062300), (6, 13385250), (9, 8923500), (10, 8031150), (12, 6692625), (15, 5354100), (18, 4461750), (20, 4015575), (25, 3212460), (27, 2974500), (30, 2677050), (36, 2230875), (45, 1784700), (50, 1606230), (54, 1487250), (60, 1338525), (75, 1070820), (81, 991500), (90, 892350), (100, 803115), (108, 743625), (125, 642492), (135, 594900), (150, 535410), (162, 495750), (180, 446175), (225, 356940), (243, 330500), (250, 321246), (270, 297450), (300, 267705), (324, 247875), (375, 214164), (405, 198300), (450, 178470), (486, 165250), (500, 160623), (540, 148725), (661, 121500), (675, 118980), (750, 107082), (810, 99150), (900, 89235), (972, 82625), (1125, 71388), (1215, 66100), (1322, 60750), (1350, 59490), (1500, 53541), (1620, 49575), (1983, 40500), (2025, 39660), (2250, 35694), (2430, 33050), (2644, 30375), (2700, 29745), (3305, 24300), (3375, 23796), (3966, 20250), (4050, 19830), (4500, 17847), (4860, 16525), (5949, 13500), (6075, 13220), (6610, 12150), (6750, 11898), (7932, 10125), (8100, 9915)]