281486520

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{5879}}^1$

素因数の和:5922

約数の個数: 192

約数和(自身を含む): 1100736000

約数和(自身を除く): 819249480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 19, 20, 21, 24, 28, 30, 35, 36, 38, 40, 42, 45, 56, 57, 60, 63, 70, 72, 76, 84, 90, 95, 105, 114, 120, 126, 133, 140, 152, 168, 171, 180, 190, 210, 228, 252, 266, 280, 285, 315, 342, 360, 380, 399, 420, 456, 504, 532, 570, 630, 665, 684, 760, 798, 840, 855, 1064, 1140, 1197, 1260, 1330, 1368, 1596, 1710, 1995, 2280, 2394, 2520, 2660, 3192, 3420, 3990, 4788, 5320, 5879, 5985, 6840, 7980, 9576, 11758, 11970, 15960, 17637, 23516, 23940, 29395, 35274, 41153, 47032, 47880, 52911, 58790, 70548, 82306, 88185, 105822, 111701, 117580, 123459, 141096, 164612, 176370, 205765, 211644, 223402, 235160, 246918, 264555, 329224, 335103, 352740, 370377, 411530, 423288, 446804, 493836, 529110, 558505, 617295, 670206, 705480, 740754, 781907, 823060, 893608, 987672, 1005309, 1058220, 1117010, 1234590, 1340412, 1481508, 1563814, 1646120, 1675515, 1851885, 2010618, 2116440, 2234020, 2345721, 2469180, 2680824, 2963016, 3127628, 3351030, 3703770, 3909535, 4021236, 4468040, 4691442, 4938360, 5026545, 6255256, 6702060, 7037163, 7407540, 7819070, 8042472, 9382884, 10053090, 11728605, 13404120, 14074326, 14815080, 15638140, 18765768, 20106180, 23457210, 28148652, 31276280, 35185815, 40212360, 46914420, 56297304, 70371630, 93828840, 140743260, 281486520]

約数ペア:

[(1, 281486520), (2, 140743260), (3, 93828840), (4, 70371630), (5, 56297304), (6, 46914420), (7, 40212360), (8, 35185815), (9, 31276280), (10, 28148652), (12, 23457210), (14, 20106180), (15, 18765768), (18, 15638140), (19, 14815080), (20, 14074326), (21, 13404120), (24, 11728605), (28, 10053090), (30, 9382884), (35, 8042472), (36, 7819070), (38, 7407540), (40, 7037163), (42, 6702060), (45, 6255256), (56, 5026545), (57, 4938360), (60, 4691442), (63, 4468040), (70, 4021236), (72, 3909535), (76, 3703770), (84, 3351030), (90, 3127628), (95, 2963016), (105, 2680824), (114, 2469180), (120, 2345721), (126, 2234020), (133, 2116440), (140, 2010618), (152, 1851885), (168, 1675515), (171, 1646120), (180, 1563814), (190, 1481508), (210, 1340412), (228, 1234590), (252, 1117010), (266, 1058220), (280, 1005309), (285, 987672), (315, 893608), (342, 823060), (360, 781907), (380, 740754), (399, 705480), (420, 670206), (456, 617295), (504, 558505), (532, 529110), (570, 493836), (630, 446804), (665, 423288), (684, 411530), (760, 370377), (798, 352740), (840, 335103), (855, 329224), (1064, 264555), (1140, 246918), (1197, 235160), (1260, 223402), (1330, 211644), (1368, 205765), (1596, 176370), (1710, 164612), (1995, 141096), (2280, 123459), (2394, 117580), (2520, 111701), (2660, 105822), (3192, 88185), (3420, 82306), (3990, 70548), (4788, 58790), (5320, 52911), (5879, 47880), (5985, 47032), (6840, 41153), (7980, 35274), (9576, 29395), (11758, 23940), (11970, 23516), (15960, 17637)]