870221520

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{172663}}^1$

素因数の和:172689

約数の個数: 120

約数和(自身を含む): 3340012416

約数和(自身を除く): 2469790896

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 172663, 345326, 517989, 690652, 863315, 1035978, 1208641, 1381304, 1553967, 1726630, 2071956, 2417282, 2589945, 2762608, 3107934, 3453260, 3625923, 4143912, 4834564, 5179890, 6043205, 6215868, 6906520, 7251846, 7769835, 8287824, 9669128, 10359780, 10877769, 12086410, 12431736, 13813040, 14503692, 15539670, 18129615, 19338256, 20719560, 21755538, 24172820, 24863472, 29007384, 31079340, 36259230, 41439120, 43511076, 48345640, 54388845, 58014768, 62158680, 72518460, 87022152, 96691280, 108777690, 124317360, 145036920, 174044304, 217555380, 290073840, 435110760, 870221520]

約数ペア:

[(1, 870221520), (2, 435110760), (3, 290073840), (4, 217555380), (5, 174044304), (6, 145036920), (7, 124317360), (8, 108777690), (9, 96691280), (10, 87022152), (12, 72518460), (14, 62158680), (15, 58014768), (16, 54388845), (18, 48345640), (20, 43511076), (21, 41439120), (24, 36259230), (28, 31079340), (30, 29007384), (35, 24863472), (36, 24172820), (40, 21755538), (42, 20719560), (45, 19338256), (48, 18129615), (56, 15539670), (60, 14503692), (63, 13813040), (70, 12431736), (72, 12086410), (80, 10877769), (84, 10359780), (90, 9669128), (105, 8287824), (112, 7769835), (120, 7251846), (126, 6906520), (140, 6215868), (144, 6043205), (168, 5179890), (180, 4834564), (210, 4143912), (240, 3625923), (252, 3453260), (280, 3107934), (315, 2762608), (336, 2589945), (360, 2417282), (420, 2071956), (504, 1726630), (560, 1553967), (630, 1381304), (720, 1208641), (840, 1035978), (1008, 863315), (1260, 690652), (1680, 517989), (2520, 345326), (5040, 172663)]