2817920

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1$

素因数の和:80

約数の個数: 128

約数和(自身を含む): 8372160

約数和(自身を除く): 5554240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 37, 40, 56, 64, 68, 70, 74, 80, 85, 112, 119, 128, 136, 140, 148, 160, 170, 185, 224, 238, 259, 272, 280, 296, 320, 340, 370, 448, 476, 518, 544, 560, 592, 595, 629, 640, 680, 740, 896, 952, 1036, 1088, 1120, 1184, 1190, 1258, 1295, 1360, 1480, 1904, 2072, 2176, 2240, 2368, 2380, 2516, 2590, 2720, 2960, 3145, 3808, 4144, 4403, 4480, 4736, 4760, 5032, 5180, 5440, 5920, 6290, 7616, 8288, 8806, 9520, 10064, 10360, 10880, 11840, 12580, 15232, 16576, 17612, 19040, 20128, 20720, 22015, 23680, 25160, 33152, 35224, 38080, 40256, 41440, 44030, 50320, 70448, 76160, 80512, 82880, 88060, 100640, 140896, 165760, 176120, 201280, 281792, 352240, 402560, 563584, 704480, 1408960, 2817920]

約数ペア:

[(1, 2817920), (2, 1408960), (4, 704480), (5, 563584), (7, 402560), (8, 352240), (10, 281792), (14, 201280), (16, 176120), (17, 165760), (20, 140896), (28, 100640), (32, 88060), (34, 82880), (35, 80512), (37, 76160), (40, 70448), (56, 50320), (64, 44030), (68, 41440), (70, 40256), (74, 38080), (80, 35224), (85, 33152), (112, 25160), (119, 23680), (128, 22015), (136, 20720), (140, 20128), (148, 19040), (160, 17612), (170, 16576), (185, 15232), (224, 12580), (238, 11840), (259, 10880), (272, 10360), (280, 10064), (296, 9520), (320, 8806), (340, 8288), (370, 7616), (448, 6290), (476, 5920), (518, 5440), (544, 5180), (560, 5032), (592, 4760), (595, 4736), (629, 4480), (640, 4403), (680, 4144), (740, 3808), (896, 3145), (952, 2960), (1036, 2720), (1088, 2590), (1120, 2516), (1184, 2380), (1190, 2368), (1258, 2240), (1295, 2176), (1360, 2072), (1480, 1904)]