2419620

素因数分解:

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

素因数の和:849

約数の個数: 72

約数和(自身を含む): 7890624

約数和(自身を除く): 5471004

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 823, 980, 1470, 1646, 2469, 2940, 3292, 4115, 4938, 5761, 8230, 9876, 11522, 12345, 16460, 17283, 23044, 24690, 28805, 34566, 40327, 49380, 57610, 69132, 80654, 86415, 115220, 120981, 161308, 172830, 201635, 241962, 345660, 403270, 483924, 604905, 806540, 1209810, 2419620]

約数ペア:

[(1, 2419620), (2, 1209810), (3, 806540), (4, 604905), (5, 483924), (6, 403270), (7, 345660), (10, 241962), (12, 201635), (14, 172830), (15, 161308), (20, 120981), (21, 115220), (28, 86415), (30, 80654), (35, 69132), (42, 57610), (49, 49380), (60, 40327), (70, 34566), (84, 28805), (98, 24690), (105, 23044), (140, 17283), (147, 16460), (196, 12345), (210, 11522), (245, 9876), (294, 8230), (420, 5761), (490, 4938), (588, 4115), (735, 3292), (823, 2940), (980, 2469), (1470, 1646)]