155676780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{123553}}^1$

素因数の和:123575

約数の個数: 72

約数和(自身を含む): 539683872

約数和(自身を除く): 384007092

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 123553, 247106, 370659, 494212, 617765, 741318, 864871, 1111977, 1235530, 1482636, 1729742, 1853295, 2223954, 2471060, 2594613, 3459484, 3706590, 4324355, 4447908, 5189226, 5559885, 7413180, 7783839, 8648710, 10378452, 11119770, 12973065, 15567678, 17297420, 22239540, 25946130, 31135356, 38919195, 51892260, 77838390, 155676780]

約数ペア:

[(1, 155676780), (2, 77838390), (3, 51892260), (4, 38919195), (5, 31135356), (6, 25946130), (7, 22239540), (9, 17297420), (10, 15567678), (12, 12973065), (14, 11119770), (15, 10378452), (18, 8648710), (20, 7783839), (21, 7413180), (28, 5559885), (30, 5189226), (35, 4447908), (36, 4324355), (42, 3706590), (45, 3459484), (60, 2594613), (63, 2471060), (70, 2223954), (84, 1853295), (90, 1729742), (105, 1482636), (126, 1235530), (140, 1111977), (180, 864871), (210, 741318), (252, 617765), (315, 494212), (420, 370659), (630, 247106), (1260, 123553)]