219216780

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{135319}}^1$

素因数の和:135340

約数の個数: 60

約数和(自身を含む): 687696240

約数和(自身を除く): 468479460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 135319, 270638, 405957, 541276, 676595, 811914, 1217871, 1353190, 1623828, 2029785, 2435742, 2706380, 3653613, 4059570, 4871484, 6089355, 7307226, 8119140, 10960839, 12178710, 14614452, 18268065, 21921678, 24357420, 36536130, 43843356, 54804195, 73072260, 109608390, 219216780]

約数ペア:

[(1, 219216780), (2, 109608390), (3, 73072260), (4, 54804195), (5, 43843356), (6, 36536130), (9, 24357420), (10, 21921678), (12, 18268065), (15, 14614452), (18, 12178710), (20, 10960839), (27, 8119140), (30, 7307226), (36, 6089355), (45, 4871484), (54, 4059570), (60, 3653613), (81, 2706380), (90, 2435742), (108, 2029785), (135, 1623828), (162, 1353190), (180, 1217871), (270, 811914), (324, 676595), (405, 541276), (540, 405957), (810, 270638), (1620, 135319)]