1268778840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{40823}}^1$

素因数の和:40881

約数の個数: 128

約数和(自身を含む): 4467778560

約数和(自身を除く): 3198999720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 37, 40, 42, 56, 60, 70, 74, 84, 105, 111, 120, 140, 148, 168, 185, 210, 222, 259, 280, 296, 370, 420, 444, 518, 555, 740, 777, 840, 888, 1036, 1110, 1295, 1480, 1554, 2072, 2220, 2590, 3108, 3885, 4440, 5180, 6216, 7770, 10360, 15540, 31080, 40823, 81646, 122469, 163292, 204115, 244938, 285761, 326584, 408230, 489876, 571522, 612345, 816460, 857283, 979752, 1143044, 1224690, 1428805, 1510451, 1632920, 1714566, 2286088, 2449380, 2857610, 3020902, 3429132, 4286415, 4531353, 4898760, 5715220, 6041804, 6858264, 7552255, 8572830, 9062706, 10573157, 11430440, 12083608, 15104510, 17145660, 18125412, 21146314, 22656765, 30209020, 31719471, 34291320, 36250824, 42292628, 45313530, 52865785, 60418040, 63438942, 84585256, 90627060, 105731570, 126877884, 158597355, 181254120, 211463140, 253755768, 317194710, 422926280, 634389420, 1268778840]

約数ペア:

[(1, 1268778840), (2, 634389420), (3, 422926280), (4, 317194710), (5, 253755768), (6, 211463140), (7, 181254120), (8, 158597355), (10, 126877884), (12, 105731570), (14, 90627060), (15, 84585256), (20, 63438942), (21, 60418040), (24, 52865785), (28, 45313530), (30, 42292628), (35, 36250824), (37, 34291320), (40, 31719471), (42, 30209020), (56, 22656765), (60, 21146314), (70, 18125412), (74, 17145660), (84, 15104510), (105, 12083608), (111, 11430440), (120, 10573157), (140, 9062706), (148, 8572830), (168, 7552255), (185, 6858264), (210, 6041804), (222, 5715220), (259, 4898760), (280, 4531353), (296, 4286415), (370, 3429132), (420, 3020902), (444, 2857610), (518, 2449380), (555, 2286088), (740, 1714566), (777, 1632920), (840, 1510451), (888, 1428805), (1036, 1224690), (1110, 1143044), (1295, 979752), (1480, 857283), (1554, 816460), (2072, 612345), (2220, 571522), (2590, 489876), (3108, 408230), (3885, 326584), (4440, 285761), (5180, 244938), (6216, 204115), (7770, 163292), (10360, 122469), (15540, 81646), (31080, 40823)]