1721590920

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{7043}}^1$

素因数の和:7164

約数の個数: 192

約数和(自身を含む): 6461320320

約数和(自身を除く): 4739729400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 97, 105, 120, 126, 140, 168, 180, 194, 210, 252, 280, 291, 315, 360, 388, 420, 485, 504, 582, 630, 679, 776, 840, 873, 970, 1164, 1260, 1358, 1455, 1746, 1940, 2037, 2328, 2520, 2716, 2910, 3395, 3492, 3880, 4074, 4365, 5432, 5820, 6111, 6790, 6984, 7043, 8148, 8730, 10185, 11640, 12222, 13580, 14086, 16296, 17460, 20370, 21129, 24444, 27160, 28172, 30555, 34920, 35215, 40740, 42258, 48888, 49301, 56344, 61110, 63387, 70430, 81480, 84516, 98602, 105645, 122220, 126774, 140860, 147903, 169032, 197204, 211290, 244440, 246505, 253548, 281720, 295806, 316935, 394408, 422580, 443709, 493010, 507096, 591612, 633870, 683171, 739515, 845160, 887418, 986020, 1183224, 1267740, 1366342, 1479030, 1774836, 1972040, 2049513, 2218545, 2535480, 2732684, 2958060, 3415855, 3549672, 4099026, 4437090, 4782197, 5465368, 5916120, 6148539, 6831710, 8198052, 8874180, 9564394, 10247565, 12297078, 13663420, 14346591, 16396104, 17748360, 19128788, 20495130, 23910985, 24594156, 27326840, 28693182, 30742695, 38257576, 40990260, 43039773, 47821970, 49188312, 57386364, 61485390, 71732955, 81980520, 86079546, 95643940, 114772728, 122970780, 143465910, 172159092, 191287880, 215198865, 245941560, 286931820, 344318184, 430397730, 573863640, 860795460, 1721590920]

約数ペア:

[(1, 1721590920), (2, 860795460), (3, 573863640), (4, 430397730), (5, 344318184), (6, 286931820), (7, 245941560), (8, 215198865), (9, 191287880), (10, 172159092), (12, 143465910), (14, 122970780), (15, 114772728), (18, 95643940), (20, 86079546), (21, 81980520), (24, 71732955), (28, 61485390), (30, 57386364), (35, 49188312), (36, 47821970), (40, 43039773), (42, 40990260), (45, 38257576), (56, 30742695), (60, 28693182), (63, 27326840), (70, 24594156), (72, 23910985), (84, 20495130), (90, 19128788), (97, 17748360), (105, 16396104), (120, 14346591), (126, 13663420), (140, 12297078), (168, 10247565), (180, 9564394), (194, 8874180), (210, 8198052), (252, 6831710), (280, 6148539), (291, 5916120), (315, 5465368), (360, 4782197), (388, 4437090), (420, 4099026), (485, 3549672), (504, 3415855), (582, 2958060), (630, 2732684), (679, 2535480), (776, 2218545), (840, 2049513), (873, 1972040), (970, 1774836), (1164, 1479030), (1260, 1366342), (1358, 1267740), (1455, 1183224), (1746, 986020), (1940, 887418), (2037, 845160), (2328, 739515), (2520, 683171), (2716, 633870), (2910, 591612), (3395, 507096), (3492, 493010), (3880, 443709), (4074, 422580), (4365, 394408), (5432, 316935), (5820, 295806), (6111, 281720), (6790, 253548), (6984, 246505), (7043, 244440), (8148, 211290), (8730, 197204), (10185, 169032), (11640, 147903), (12222, 140860), (13580, 126774), (14086, 122220), (16296, 105645), (17460, 98602), (20370, 84516), (21129, 81480), (24444, 70430), (27160, 63387), (28172, 61110), (30555, 56344), (34920, 49301), (35215, 48888), (40740, 42258)]