251166840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{123121}}^1$

素因数の和:123152

約数の個数: 64

約数和(自身を含む): 797830560

約数和(自身を除く): 546663720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 123121, 246242, 369363, 492484, 615605, 738726, 984968, 1231210, 1477452, 1846815, 2093057, 2462420, 2954904, 3693630, 4186114, 4924840, 6279171, 7387260, 8372228, 10465285, 12558342, 14774520, 16744456, 20930570, 25116684, 31395855, 41861140, 50233368, 62791710, 83722280, 125583420, 251166840]

約数ペア:

[(1, 251166840), (2, 125583420), (3, 83722280), (4, 62791710), (5, 50233368), (6, 41861140), (8, 31395855), (10, 25116684), (12, 20930570), (15, 16744456), (17, 14774520), (20, 12558342), (24, 10465285), (30, 8372228), (34, 7387260), (40, 6279171), (51, 4924840), (60, 4186114), (68, 3693630), (85, 2954904), (102, 2462420), (120, 2093057), (136, 1846815), (170, 1477452), (204, 1231210), (255, 984968), (340, 738726), (408, 615605), (510, 492484), (680, 369363), (1020, 246242), (2040, 123121)]