81641304

素因数分解:

$2^3\times 3^3\times {\mathrm{599}}^1\times {\mathrm{631}}^1$

素因数の和:1245

約数の個数: 64

約数和(自身を含む): 227520000

約数和(自身を除く): 145878696

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 216, 599, 631, 1198, 1262, 1797, 1893, 2396, 2524, 3594, 3786, 4792, 5048, 5391, 5679, 7188, 7572, 10782, 11358, 14376, 15144, 16173, 17037, 21564, 22716, 32346, 34074, 43128, 45432, 64692, 68148, 129384, 136296, 377969, 755938, 1133907, 1511876, 2267814, 3023752, 3401721, 4535628, 6803442, 9071256, 10205163, 13606884, 20410326, 27213768, 40820652, 81641304]

約数ペア:

[(1, 81641304), (2, 40820652), (3, 27213768), (4, 20410326), (6, 13606884), (8, 10205163), (9, 9071256), (12, 6803442), (18, 4535628), (24, 3401721), (27, 3023752), (36, 2267814), (54, 1511876), (72, 1133907), (108, 755938), (216, 377969), (599, 136296), (631, 129384), (1198, 68148), (1262, 64692), (1797, 45432), (1893, 43128), (2396, 34074), (2524, 32346), (3594, 22716), (3786, 21564), (4792, 17037), (5048, 16173), (5391, 15144), (5679, 14376), (7188, 11358), (7572, 10782)]