68021520

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2131}}^1$

素因数の和:2173

約数の個数: 160

約数和(自身を含む): 253793280

約数和(自身を除く): 185771760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 48, 56, 57, 60, 70, 76, 80, 84, 95, 105, 112, 114, 120, 133, 140, 152, 168, 190, 210, 228, 240, 266, 280, 285, 304, 336, 380, 399, 420, 456, 532, 560, 570, 665, 760, 798, 840, 912, 1064, 1140, 1330, 1520, 1596, 1680, 1995, 2128, 2131, 2280, 2660, 3192, 3990, 4262, 4560, 5320, 6384, 6393, 7980, 8524, 10640, 10655, 12786, 14917, 15960, 17048, 21310, 25572, 29834, 31920, 31965, 34096, 40489, 42620, 44751, 51144, 59668, 63930, 74585, 80978, 85240, 89502, 102288, 119336, 121467, 127860, 149170, 161956, 170480, 179004, 202445, 223755, 238672, 242934, 255720, 283423, 298340, 323912, 358008, 404890, 447510, 485868, 511440, 566846, 596680, 607335, 647824, 716016, 809780, 850269, 895020, 971736, 1133692, 1193360, 1214670, 1417115, 1619560, 1700538, 1790040, 1943472, 2267384, 2429340, 2834230, 3239120, 3401076, 3580080, 4251345, 4534768, 4858680, 5668460, 6802152, 8502690, 9717360, 11336920, 13604304, 17005380, 22673840, 34010760, 68021520]

約数ペア:

[(1, 68021520), (2, 34010760), (3, 22673840), (4, 17005380), (5, 13604304), (6, 11336920), (7, 9717360), (8, 8502690), (10, 6802152), (12, 5668460), (14, 4858680), (15, 4534768), (16, 4251345), (19, 3580080), (20, 3401076), (21, 3239120), (24, 2834230), (28, 2429340), (30, 2267384), (35, 1943472), (38, 1790040), (40, 1700538), (42, 1619560), (48, 1417115), (56, 1214670), (57, 1193360), (60, 1133692), (70, 971736), (76, 895020), (80, 850269), (84, 809780), (95, 716016), (105, 647824), (112, 607335), (114, 596680), (120, 566846), (133, 511440), (140, 485868), (152, 447510), (168, 404890), (190, 358008), (210, 323912), (228, 298340), (240, 283423), (266, 255720), (280, 242934), (285, 238672), (304, 223755), (336, 202445), (380, 179004), (399, 170480), (420, 161956), (456, 149170), (532, 127860), (560, 121467), (570, 119336), (665, 102288), (760, 89502), (798, 85240), (840, 80978), (912, 74585), (1064, 63930), (1140, 59668), (1330, 51144), (1520, 44751), (1596, 42620), (1680, 40489), (1995, 34096), (2128, 31965), (2131, 31920), (2280, 29834), (2660, 25572), (3192, 21310), (3990, 17048), (4262, 15960), (4560, 14917), (5320, 12786), (6384, 10655), (6393, 10640), (7980, 8524)]