81282600

素因数分解:

$2^3\times 3^2\times 5^2\times 7^1\times {\mathrm{6451}}^1$

素因数の和:6480

約数の個数: 144

約数和(自身を含む): 312018720

約数和(自身を除く): 230736120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 25, 28, 30, 35, 36, 40, 42, 45, 50, 56, 60, 63, 70, 72, 75, 84, 90, 100, 105, 120, 126, 140, 150, 168, 175, 180, 200, 210, 225, 252, 280, 300, 315, 350, 360, 420, 450, 504, 525, 600, 630, 700, 840, 900, 1050, 1260, 1400, 1575, 1800, 2100, 2520, 3150, 4200, 6300, 6451, 12600, 12902, 19353, 25804, 32255, 38706, 45157, 51608, 58059, 64510, 77412, 90314, 96765, 116118, 129020, 135471, 154824, 161275, 180628, 193530, 225785, 232236, 258040, 270942, 290295, 322550, 361256, 387060, 406413, 451570, 464472, 483825, 541884, 580590, 645100, 677355, 774120, 812826, 903140, 967650, 1083768, 1128925, 1161180, 1290200, 1354710, 1451475, 1625652, 1806280, 1935300, 2032065, 2257850, 2322360, 2709420, 2902950, 3251304, 3386775, 3870600, 4064130, 4515700, 5418840, 5805900, 6773550, 8128260, 9031400, 10160325, 11611800, 13547100, 16256520, 20320650, 27094200, 40641300, 81282600]

約数ペア:

[(1, 81282600), (2, 40641300), (3, 27094200), (4, 20320650), (5, 16256520), (6, 13547100), (7, 11611800), (8, 10160325), (9, 9031400), (10, 8128260), (12, 6773550), (14, 5805900), (15, 5418840), (18, 4515700), (20, 4064130), (21, 3870600), (24, 3386775), (25, 3251304), (28, 2902950), (30, 2709420), (35, 2322360), (36, 2257850), (40, 2032065), (42, 1935300), (45, 1806280), (50, 1625652), (56, 1451475), (60, 1354710), (63, 1290200), (70, 1161180), (72, 1128925), (75, 1083768), (84, 967650), (90, 903140), (100, 812826), (105, 774120), (120, 677355), (126, 645100), (140, 580590), (150, 541884), (168, 483825), (175, 464472), (180, 451570), (200, 406413), (210, 387060), (225, 361256), (252, 322550), (280, 290295), (300, 270942), (315, 258040), (350, 232236), (360, 225785), (420, 193530), (450, 180628), (504, 161275), (525, 154824), (600, 135471), (630, 129020), (700, 116118), (840, 96765), (900, 90314), (1050, 77412), (1260, 64510), (1400, 58059), (1575, 51608), (1800, 45157), (2100, 38706), (2520, 32255), (3150, 25804), (4200, 19353), (6300, 12902), (6451, 12600)]