90420012

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{811}}^1$

素因数の和:1003

約数の個数: 72

約数和(自身を含む): 242365760

約数和(自身を除く): 151945748

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 163, 171, 228, 326, 342, 489, 652, 684, 811, 978, 1467, 1622, 1956, 2433, 2934, 3097, 3244, 4866, 5868, 6194, 7299, 9291, 9732, 12388, 14598, 15409, 18582, 27873, 29196, 30818, 37164, 46227, 55746, 61636, 92454, 111492, 132193, 138681, 184908, 264386, 277362, 396579, 528772, 554724, 793158, 1189737, 1586316, 2379474, 2511667, 4758948, 5023334, 7535001, 10046668, 15070002, 22605003, 30140004, 45210006, 90420012]

約数ペア:

[(1, 90420012), (2, 45210006), (3, 30140004), (4, 22605003), (6, 15070002), (9, 10046668), (12, 7535001), (18, 5023334), (19, 4758948), (36, 2511667), (38, 2379474), (57, 1586316), (76, 1189737), (114, 793158), (163, 554724), (171, 528772), (228, 396579), (326, 277362), (342, 264386), (489, 184908), (652, 138681), (684, 132193), (811, 111492), (978, 92454), (1467, 61636), (1622, 55746), (1956, 46227), (2433, 37164), (2934, 30818), (3097, 29196), (3244, 27873), (4866, 18582), (5868, 15409), (6194, 14598), (7299, 12388), (9291, 9732)]