68728800

素因数分解:

$2^5\times 3^1\times 5^2\times 7^1\times {\mathrm{4091}}^1$

素因数の和:4121

約数の個数: 144

約数和(自身を含む): 255733632

約数和(自身を除く): 187004832

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 32, 35, 40, 42, 48, 50, 56, 60, 70, 75, 80, 84, 96, 100, 105, 112, 120, 140, 150, 160, 168, 175, 200, 210, 224, 240, 280, 300, 336, 350, 400, 420, 480, 525, 560, 600, 672, 700, 800, 840, 1050, 1120, 1200, 1400, 1680, 2100, 2400, 2800, 3360, 4091, 4200, 5600, 8182, 8400, 12273, 16364, 16800, 20455, 24546, 28637, 32728, 40910, 49092, 57274, 61365, 65456, 81820, 85911, 98184, 102275, 114548, 122730, 130912, 143185, 163640, 171822, 196368, 204550, 229096, 245460, 286370, 306825, 327280, 343644, 392736, 409100, 429555, 458192, 490920, 572740, 613650, 654560, 687288, 715925, 818200, 859110, 916384, 981840, 1145480, 1227300, 1374576, 1431850, 1636400, 1718220, 1963680, 2147775, 2290960, 2454600, 2749152, 2863700, 3272800, 3436440, 4295550, 4581920, 4909200, 5727400, 6872880, 8591100, 9818400, 11454800, 13745760, 17182200, 22909600, 34364400, 68728800]

約数ペア:

[(1, 68728800), (2, 34364400), (3, 22909600), (4, 17182200), (5, 13745760), (6, 11454800), (7, 9818400), (8, 8591100), (10, 6872880), (12, 5727400), (14, 4909200), (15, 4581920), (16, 4295550), (20, 3436440), (21, 3272800), (24, 2863700), (25, 2749152), (28, 2454600), (30, 2290960), (32, 2147775), (35, 1963680), (40, 1718220), (42, 1636400), (48, 1431850), (50, 1374576), (56, 1227300), (60, 1145480), (70, 981840), (75, 916384), (80, 859110), (84, 818200), (96, 715925), (100, 687288), (105, 654560), (112, 613650), (120, 572740), (140, 490920), (150, 458192), (160, 429555), (168, 409100), (175, 392736), (200, 343644), (210, 327280), (224, 306825), (240, 286370), (280, 245460), (300, 229096), (336, 204550), (350, 196368), (400, 171822), (420, 163640), (480, 143185), (525, 130912), (560, 122730), (600, 114548), (672, 102275), (700, 98184), (800, 85911), (840, 81820), (1050, 65456), (1120, 61365), (1200, 57274), (1400, 49092), (1680, 40910), (2100, 32728), (2400, 28637), (2800, 24546), (3360, 20455), (4091, 16800), (4200, 16364), (5600, 12273), (8182, 8400)]