201018880

素因数分解:

$2^9\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1$

素因数の和:220

約数の個数: 160

約数和(自身を含む): 530323200

約数和(自身を除く): 329304320

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 32, 34, 40, 62, 64, 68, 80, 85, 124, 128, 136, 149, 155, 160, 170, 248, 256, 272, 298, 310, 320, 340, 496, 512, 527, 544, 596, 620, 640, 680, 745, 992, 1054, 1088, 1192, 1240, 1280, 1360, 1490, 1984, 2108, 2176, 2384, 2480, 2533, 2560, 2635, 2720, 2980, 3968, 4216, 4352, 4619, 4768, 4960, 5066, 5270, 5440, 5960, 7936, 8432, 8704, 9238, 9536, 9920, 10132, 10540, 10880, 11920, 12665, 15872, 16864, 18476, 19072, 19840, 20264, 21080, 21760, 23095, 23840, 25330, 33728, 36952, 38144, 39680, 40528, 42160, 43520, 46190, 47680, 50660, 67456, 73904, 76288, 78523, 79360, 81056, 84320, 92380, 95360, 101320, 134912, 147808, 157046, 162112, 168640, 184760, 190720, 202640, 269824, 295616, 314092, 324224, 337280, 369520, 381440, 392615, 405280, 591232, 628184, 648448, 674560, 739040, 785230, 810560, 1182464, 1256368, 1296896, 1349120, 1478080, 1570460, 1621120, 2364928, 2512736, 2956160, 3140920, 3242240, 5025472, 5912320, 6281840, 6484480, 10050944, 11824640, 12563680, 20101888, 25127360, 40203776, 50254720, 100509440, 201018880]

約数ペア:

[(1, 201018880), (2, 100509440), (4, 50254720), (5, 40203776), (8, 25127360), (10, 20101888), (16, 12563680), (17, 11824640), (20, 10050944), (31, 6484480), (32, 6281840), (34, 5912320), (40, 5025472), (62, 3242240), (64, 3140920), (68, 2956160), (80, 2512736), (85, 2364928), (124, 1621120), (128, 1570460), (136, 1478080), (149, 1349120), (155, 1296896), (160, 1256368), (170, 1182464), (248, 810560), (256, 785230), (272, 739040), (298, 674560), (310, 648448), (320, 628184), (340, 591232), (496, 405280), (512, 392615), (527, 381440), (544, 369520), (596, 337280), (620, 324224), (640, 314092), (680, 295616), (745, 269824), (992, 202640), (1054, 190720), (1088, 184760), (1192, 168640), (1240, 162112), (1280, 157046), (1360, 147808), (1490, 134912), (1984, 101320), (2108, 95360), (2176, 92380), (2384, 84320), (2480, 81056), (2533, 79360), (2560, 78523), (2635, 76288), (2720, 73904), (2980, 67456), (3968, 50660), (4216, 47680), (4352, 46190), (4619, 43520), (4768, 42160), (4960, 40528), (5066, 39680), (5270, 38144), (5440, 36952), (5960, 33728), (7936, 25330), (8432, 23840), (8704, 23095), (9238, 21760), (9536, 21080), (9920, 20264), (10132, 19840), (10540, 19072), (10880, 18476), (11920, 16864), (12665, 15872)]