8180400

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{401}}^1$

素因数の和:439

約数の個数: 120

約数和(自身を含む): 27815184

約数和(自身を除く): 19634784

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 25, 30, 34, 40, 48, 50, 51, 60, 68, 75, 80, 85, 100, 102, 120, 136, 150, 170, 200, 204, 240, 255, 272, 300, 340, 400, 401, 408, 425, 510, 600, 680, 802, 816, 850, 1020, 1200, 1203, 1275, 1360, 1604, 1700, 2005, 2040, 2406, 2550, 3208, 3400, 4010, 4080, 4812, 5100, 6015, 6416, 6800, 6817, 8020, 9624, 10025, 10200, 12030, 13634, 16040, 19248, 20050, 20400, 20451, 24060, 27268, 30075, 32080, 34085, 40100, 40902, 48120, 54536, 60150, 68170, 80200, 81804, 96240, 102255, 109072, 120300, 136340, 160400, 163608, 170425, 204510, 240600, 272680, 327216, 340850, 409020, 481200, 511275, 545360, 681700, 818040, 1022550, 1363400, 1636080, 2045100, 2726800, 4090200, 8180400]

約数ペア:

[(1, 8180400), (2, 4090200), (3, 2726800), (4, 2045100), (5, 1636080), (6, 1363400), (8, 1022550), (10, 818040), (12, 681700), (15, 545360), (16, 511275), (17, 481200), (20, 409020), (24, 340850), (25, 327216), (30, 272680), (34, 240600), (40, 204510), (48, 170425), (50, 163608), (51, 160400), (60, 136340), (68, 120300), (75, 109072), (80, 102255), (85, 96240), (100, 81804), (102, 80200), (120, 68170), (136, 60150), (150, 54536), (170, 48120), (200, 40902), (204, 40100), (240, 34085), (255, 32080), (272, 30075), (300, 27268), (340, 24060), (400, 20451), (401, 20400), (408, 20050), (425, 19248), (510, 16040), (600, 13634), (680, 12030), (802, 10200), (816, 10025), (850, 9624), (1020, 8020), (1200, 6817), (1203, 6800), (1275, 6416), (1360, 6015), (1604, 5100), (1700, 4812), (2005, 4080), (2040, 4010), (2406, 3400), (2550, 3208)]