149421720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{177883}}^1$

素因数の和:177904

約数の個数: 64

約数和(自身を含む): 512305920

約数和(自身を除く): 362884200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 177883, 355766, 533649, 711532, 889415, 1067298, 1245181, 1423064, 1778830, 2134596, 2490362, 2668245, 3557660, 3735543, 4269192, 4980724, 5336490, 6225905, 7115320, 7471086, 9961448, 10672980, 12451810, 14942172, 18677715, 21345960, 24903620, 29884344, 37355430, 49807240, 74710860, 149421720]

約数ペア:

[(1, 149421720), (2, 74710860), (3, 49807240), (4, 37355430), (5, 29884344), (6, 24903620), (7, 21345960), (8, 18677715), (10, 14942172), (12, 12451810), (14, 10672980), (15, 9961448), (20, 7471086), (21, 7115320), (24, 6225905), (28, 5336490), (30, 4980724), (35, 4269192), (40, 3735543), (42, 3557660), (56, 2668245), (60, 2490362), (70, 2134596), (84, 1778830), (105, 1423064), (120, 1245181), (140, 1067298), (168, 889415), (210, 711532), (280, 533649), (420, 355766), (840, 177883)]