28689780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{823}}^1$

素因数の和:925

約数の個数: 96

約数和(自身を含む): 93026304

約数和(自身を除く): 64336524

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 83, 84, 105, 140, 166, 210, 249, 332, 415, 420, 498, 581, 823, 830, 996, 1162, 1245, 1646, 1660, 1743, 2324, 2469, 2490, 2905, 3292, 3486, 4115, 4938, 4980, 5761, 5810, 6972, 8230, 8715, 9876, 11522, 11620, 12345, 16460, 17283, 17430, 23044, 24690, 28805, 34566, 34860, 49380, 57610, 68309, 69132, 86415, 115220, 136618, 172830, 204927, 273236, 341545, 345660, 409854, 478163, 683090, 819708, 956326, 1024635, 1366180, 1434489, 1912652, 2049270, 2390815, 2868978, 4098540, 4781630, 5737956, 7172445, 9563260, 14344890, 28689780]

約数ペア:

[(1, 28689780), (2, 14344890), (3, 9563260), (4, 7172445), (5, 5737956), (6, 4781630), (7, 4098540), (10, 2868978), (12, 2390815), (14, 2049270), (15, 1912652), (20, 1434489), (21, 1366180), (28, 1024635), (30, 956326), (35, 819708), (42, 683090), (60, 478163), (70, 409854), (83, 345660), (84, 341545), (105, 273236), (140, 204927), (166, 172830), (210, 136618), (249, 115220), (332, 86415), (415, 69132), (420, 68309), (498, 57610), (581, 49380), (823, 34860), (830, 34566), (996, 28805), (1162, 24690), (1245, 23044), (1646, 17430), (1660, 17283), (1743, 16460), (2324, 12345), (2469, 11620), (2490, 11522), (2905, 9876), (3292, 8715), (3486, 8230), (4115, 6972), (4938, 5810), (4980, 5761)]