247989780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{20563}}^1$

素因数の和:20645

約数の個数: 72

約数和(自身を含む): 763500192

約数和(自身を除く): 515510412

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 67, 90, 134, 180, 201, 268, 335, 402, 603, 670, 804, 1005, 1206, 1340, 2010, 2412, 3015, 4020, 6030, 12060, 20563, 41126, 61689, 82252, 102815, 123378, 185067, 205630, 246756, 308445, 370134, 411260, 616890, 740268, 925335, 1233780, 1377721, 1850670, 2755442, 3701340, 4133163, 5510884, 6888605, 8266326, 12399489, 13777210, 16532652, 20665815, 24798978, 27554420, 41331630, 49597956, 61997445, 82663260, 123994890, 247989780]

約数ペア:

[(1, 247989780), (2, 123994890), (3, 82663260), (4, 61997445), (5, 49597956), (6, 41331630), (9, 27554420), (10, 24798978), (12, 20665815), (15, 16532652), (18, 13777210), (20, 12399489), (30, 8266326), (36, 6888605), (45, 5510884), (60, 4133163), (67, 3701340), (90, 2755442), (134, 1850670), (180, 1377721), (201, 1233780), (268, 925335), (335, 740268), (402, 616890), (603, 411260), (670, 370134), (804, 308445), (1005, 246756), (1206, 205630), (1340, 185067), (2010, 123378), (2412, 102815), (3015, 82252), (4020, 61689), (6030, 41126), (12060, 20563)]