1382640

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{823}}^1$

素因数の和:846

約数の個数: 80

約数和(自身を含む): 4904448

約数和(自身を除く): 3521808

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, 823, 840, 1646, 1680, 2469, 3292, 4115, 4938, 5761, 6584, 8230, 9876, 11522, 12345, 13168, 16460, 17283, 19752, 23044, 24690, 28805, 32920, 34566, 39504, 46088, 49380, 57610, 65840, 69132, 86415, 92176, 98760, 115220, 138264, 172830, 197520, 230440, 276528, 345660, 460880, 691320, 1382640]

約数ペア:

[(1, 1382640), (2, 691320), (3, 460880), (4, 345660), (5, 276528), (6, 230440), (7, 197520), (8, 172830), (10, 138264), (12, 115220), (14, 98760), (15, 92176), (16, 86415), (20, 69132), (21, 65840), (24, 57610), (28, 49380), (30, 46088), (35, 39504), (40, 34566), (42, 32920), (48, 28805), (56, 24690), (60, 23044), (70, 19752), (80, 17283), (84, 16460), (105, 13168), (112, 12345), (120, 11522), (140, 9876), (168, 8230), (210, 6584), (240, 5761), (280, 4938), (336, 4115), (420, 3292), (560, 2469), (823, 1680), (840, 1646)]