216156780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{171553}}^1$

素因数の和:171575

約数の個数: 72

約数和(自身を含む): 749347872

約数和(自身を除く): 533191092

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, 171553, 343106, 514659, 686212, 857765, 1029318, 1200871, 1543977, 1715530, 2058636, 2401742, 2573295, 3087954, 3431060, 3602613, 4803484, 5146590, 6004355, 6175908, 7205226, 7719885, 10293180, 10807839, 12008710, 14410452, 15439770, 18013065, 21615678, 24017420, 30879540, 36026130, 43231356, 54039195, 72052260, 108078390, 216156780]

約数ペア:

[(1, 216156780), (2, 108078390), (3, 72052260), (4, 54039195), (5, 43231356), (6, 36026130), (7, 30879540), (9, 24017420), (10, 21615678), (12, 18013065), (14, 15439770), (15, 14410452), (18, 12008710), (20, 10807839), (21, 10293180), (28, 7719885), (30, 7205226), (35, 6175908), (36, 6004355), (42, 5146590), (45, 4803484), (60, 3602613), (63, 3431060), (70, 3087954), (84, 2573295), (90, 2401742), (105, 2058636), (126, 1715530), (140, 1543977), (180, 1200871), (210, 1029318), (252, 857765), (315, 686212), (420, 514659), (630, 343106), (1260, 171553)]