121215000

素因数分解:

$2^3\times 3^1\times 5^4\times {\mathrm{8081}}^1$

素因数の和:8110

約数の個数: 80

約数和(自身を含む): 378722520

約数和(自身を除く): 257507520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 75, 100, 120, 125, 150, 200, 250, 300, 375, 500, 600, 625, 750, 1000, 1250, 1500, 1875, 2500, 3000, 3750, 5000, 7500, 8081, 15000, 16162, 24243, 32324, 40405, 48486, 64648, 80810, 96972, 121215, 161620, 193944, 202025, 242430, 323240, 404050, 484860, 606075, 808100, 969720, 1010125, 1212150, 1616200, 2020250, 2424300, 3030375, 4040500, 4848600, 5050625, 6060750, 8081000, 10101250, 12121500, 15151875, 20202500, 24243000, 30303750, 40405000, 60607500, 121215000]

約数ペア:

[(1, 121215000), (2, 60607500), (3, 40405000), (4, 30303750), (5, 24243000), (6, 20202500), (8, 15151875), (10, 12121500), (12, 10101250), (15, 8081000), (20, 6060750), (24, 5050625), (25, 4848600), (30, 4040500), (40, 3030375), (50, 2424300), (60, 2020250), (75, 1616200), (100, 1212150), (120, 1010125), (125, 969720), (150, 808100), (200, 606075), (250, 484860), (300, 404050), (375, 323240), (500, 242430), (600, 202025), (625, 193944), (750, 161620), (1000, 121215), (1250, 96972), (1500, 80810), (1875, 64648), (2500, 48486), (3000, 40405), (3750, 32324), (5000, 24243), (7500, 16162), (8081, 15000)]