280043280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1861}}^1$

素因数の和:1910

約数の個数: 240

約数和(自身を含む): 1080555840

約数和(自身を除く): 800512560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 19, 20, 22, 24, 30, 33, 36, 38, 40, 44, 45, 48, 55, 57, 60, 66, 72, 76, 80, 88, 90, 95, 99, 110, 114, 120, 132, 144, 152, 165, 171, 176, 180, 190, 198, 209, 220, 228, 240, 264, 285, 304, 330, 342, 360, 380, 396, 418, 440, 456, 495, 528, 570, 627, 660, 684, 720, 760, 792, 836, 855, 880, 912, 990, 1045, 1140, 1254, 1320, 1368, 1520, 1584, 1672, 1710, 1861, 1881, 1980, 2090, 2280, 2508, 2640, 2736, 3135, 3344, 3420, 3722, 3762, 3960, 4180, 4560, 5016, 5583, 6270, 6840, 7444, 7524, 7920, 8360, 9305, 9405, 10032, 11166, 12540, 13680, 14888, 15048, 16720, 16749, 18610, 18810, 20471, 22332, 25080, 27915, 29776, 30096, 33498, 35359, 37220, 37620, 40942, 44664, 50160, 55830, 61413, 66996, 70718, 74440, 75240, 81884, 83745, 89328, 102355, 106077, 111660, 122826, 133992, 141436, 148880, 150480, 163768, 167490, 176795, 184239, 204710, 212154, 223320, 245652, 267984, 282872, 307065, 318231, 327536, 334980, 353590, 368478, 388949, 409420, 424308, 446640, 491304, 530385, 565744, 614130, 636462, 669960, 707180, 736956, 777898, 818840, 848616, 921195, 982608, 1060770, 1166847, 1228260, 1272924, 1339920, 1414360, 1473912, 1555796, 1591155, 1637680, 1697232, 1842390, 1944745, 2121540, 2333694, 2456520, 2545848, 2828720, 2947824, 3111592, 3182310, 3500541, 3684780, 3889490, 4243080, 4667388, 4913040, 5091696, 5834235, 6223184, 6364620, 7001082, 7369560, 7778980, 8486160, 9334776, 11668470, 12729240, 14002164, 14739120, 15557960, 17502705, 18669552, 23336940, 25458480, 28004328, 31115920, 35005410, 46673880, 56008656, 70010820, 93347760, 140021640, 280043280]

約数ペア:

[(1, 280043280), (2, 140021640), (3, 93347760), (4, 70010820), (5, 56008656), (6, 46673880), (8, 35005410), (9, 31115920), (10, 28004328), (11, 25458480), (12, 23336940), (15, 18669552), (16, 17502705), (18, 15557960), (19, 14739120), (20, 14002164), (22, 12729240), (24, 11668470), (30, 9334776), (33, 8486160), (36, 7778980), (38, 7369560), (40, 7001082), (44, 6364620), (45, 6223184), (48, 5834235), (55, 5091696), (57, 4913040), (60, 4667388), (66, 4243080), (72, 3889490), (76, 3684780), (80, 3500541), (88, 3182310), (90, 3111592), (95, 2947824), (99, 2828720), (110, 2545848), (114, 2456520), (120, 2333694), (132, 2121540), (144, 1944745), (152, 1842390), (165, 1697232), (171, 1637680), (176, 1591155), (180, 1555796), (190, 1473912), (198, 1414360), (209, 1339920), (220, 1272924), (228, 1228260), (240, 1166847), (264, 1060770), (285, 982608), (304, 921195), (330, 848616), (342, 818840), (360, 777898), (380, 736956), (396, 707180), (418, 669960), (440, 636462), (456, 614130), (495, 565744), (528, 530385), (570, 491304), (627, 446640), (660, 424308), (684, 409420), (720, 388949), (760, 368478), (792, 353590), (836, 334980), (855, 327536), (880, 318231), (912, 307065), (990, 282872), (1045, 267984), (1140, 245652), (1254, 223320), (1320, 212154), (1368, 204710), (1520, 184239), (1584, 176795), (1672, 167490), (1710, 163768), (1861, 150480), (1881, 148880), (1980, 141436), (2090, 133992), (2280, 122826), (2508, 111660), (2640, 106077), (2736, 102355), (3135, 89328), (3344, 83745), (3420, 81884), (3722, 75240), (3762, 74440), (3960, 70718), (4180, 66996), (4560, 61413), (5016, 55830), (5583, 50160), (6270, 44664), (6840, 40942), (7444, 37620), (7524, 37220), (7920, 35359), (8360, 33498), (9305, 30096), (9405, 29776), (10032, 27915), (11166, 25080), (12540, 22332), (13680, 20471), (14888, 18810), (15048, 18610), (16720, 16749)]