390883920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{232669}}^1$

素因数の和:232692

約数の個数: 80

約数和(自身を含む): 1384851840

約数和(自身を除く): 993967920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 232669, 465338, 698007, 930676, 1163345, 1396014, 1628683, 1861352, 2326690, 2792028, 3257366, 3490035, 3722704, 4653380, 4886049, 5584056, 6514732, 6980070, 8143415, 9306760, 9772098, 11168112, 13029464, 13960140, 16286830, 18613520, 19544196, 24430245, 26058928, 27920280, 32573660, 39088392, 48860490, 55840560, 65147320, 78176784, 97720980, 130294640, 195441960, 390883920]

約数ペア:

[(1, 390883920), (2, 195441960), (3, 130294640), (4, 97720980), (5, 78176784), (6, 65147320), (7, 55840560), (8, 48860490), (10, 39088392), (12, 32573660), (14, 27920280), (15, 26058928), (16, 24430245), (20, 19544196), (21, 18613520), (24, 16286830), (28, 13960140), (30, 13029464), (35, 11168112), (40, 9772098), (42, 9306760), (48, 8143415), (56, 6980070), (60, 6514732), (70, 5584056), (80, 4886049), (84, 4653380), (105, 3722704), (112, 3490035), (120, 3257366), (140, 2792028), (168, 2326690), (210, 1861352), (240, 1628683), (280, 1396014), (336, 1163345), (420, 930676), (560, 698007), (840, 465338), (1680, 232669)]