221196420

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{136541}}^1$

素因数の和:136562

約数の個数: 60

約数和(自身を含む): 693906444

約数和(自身を除く): 472710024

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, 136541, 273082, 409623, 546164, 682705, 819246, 1228869, 1365410, 1638492, 2048115, 2457738, 2730820, 3686607, 4096230, 4915476, 6144345, 7373214, 8192460, 11059821, 12288690, 14746428, 18433035, 22119642, 24577380, 36866070, 44239284, 55299105, 73732140, 110598210, 221196420]

約数ペア:

[(1, 221196420), (2, 110598210), (3, 73732140), (4, 55299105), (5, 44239284), (6, 36866070), (9, 24577380), (10, 22119642), (12, 18433035), (15, 14746428), (18, 12288690), (20, 11059821), (27, 8192460), (30, 7373214), (36, 6144345), (45, 4915476), (54, 4096230), (60, 3686607), (81, 2730820), (90, 2457738), (108, 2048115), (135, 1638492), (162, 1365410), (180, 1228869), (270, 819246), (324, 682705), (405, 546164), (540, 409623), (810, 273082), (1620, 136541)]