139215720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{9749}}^1$

素因数の和:9787

約数の個数: 128

約数和(自身を含む): 505440000

約数和(自身を除く): 366224280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 17, 20, 21, 24, 28, 30, 34, 35, 40, 42, 51, 56, 60, 68, 70, 84, 85, 102, 105, 119, 120, 136, 140, 168, 170, 204, 210, 238, 255, 280, 340, 357, 408, 420, 476, 510, 595, 680, 714, 840, 952, 1020, 1190, 1428, 1785, 2040, 2380, 2856, 3570, 4760, 7140, 9749, 14280, 19498, 29247, 38996, 48745, 58494, 68243, 77992, 97490, 116988, 136486, 146235, 165733, 194980, 204729, 233976, 272972, 292470, 331466, 341215, 389960, 409458, 497199, 545944, 584940, 662932, 682430, 818916, 828665, 994398, 1023645, 1160131, 1169880, 1325864, 1364860, 1637832, 1657330, 1988796, 2047290, 2320262, 2485995, 2729720, 3314660, 3480393, 3977592, 4094580, 4640524, 4971990, 5800655, 6629320, 6960786, 8189160, 9281048, 9943980, 11601310, 13921572, 17401965, 19887960, 23202620, 27843144, 34803930, 46405240, 69607860, 139215720]

約数ペア:

[(1, 139215720), (2, 69607860), (3, 46405240), (4, 34803930), (5, 27843144), (6, 23202620), (7, 19887960), (8, 17401965), (10, 13921572), (12, 11601310), (14, 9943980), (15, 9281048), (17, 8189160), (20, 6960786), (21, 6629320), (24, 5800655), (28, 4971990), (30, 4640524), (34, 4094580), (35, 3977592), (40, 3480393), (42, 3314660), (51, 2729720), (56, 2485995), (60, 2320262), (68, 2047290), (70, 1988796), (84, 1657330), (85, 1637832), (102, 1364860), (105, 1325864), (119, 1169880), (120, 1160131), (136, 1023645), (140, 994398), (168, 828665), (170, 818916), (204, 682430), (210, 662932), (238, 584940), (255, 545944), (280, 497199), (340, 409458), (357, 389960), (408, 341215), (420, 331466), (476, 292470), (510, 272972), (595, 233976), (680, 204729), (714, 194980), (840, 165733), (952, 146235), (1020, 136486), (1190, 116988), (1428, 97490), (1785, 77992), (2040, 68243), (2380, 58494), (2856, 48745), (3570, 38996), (4760, 29247), (7140, 19498), (9749, 14280)]