120648280

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{653}}^1$

素因数の和:844

約数の個数: 64

約数和(自身を含む): 282528000

約数和(自身を除く): 161879720

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 149, 155, 248, 298, 310, 596, 620, 653, 745, 1192, 1240, 1306, 1490, 2612, 2980, 3265, 4619, 5224, 5960, 6530, 9238, 13060, 18476, 20243, 23095, 26120, 36952, 40486, 46190, 80972, 92380, 97297, 101215, 161944, 184760, 194594, 202430, 389188, 404860, 486485, 778376, 809720, 972970, 1945940, 3016207, 3891880, 6032414, 12064828, 15081035, 24129656, 30162070, 60324140, 120648280]

約数ペア:

[(1, 120648280), (2, 60324140), (4, 30162070), (5, 24129656), (8, 15081035), (10, 12064828), (20, 6032414), (31, 3891880), (40, 3016207), (62, 1945940), (124, 972970), (149, 809720), (155, 778376), (248, 486485), (298, 404860), (310, 389188), (596, 202430), (620, 194594), (653, 184760), (745, 161944), (1192, 101215), (1240, 97297), (1306, 92380), (1490, 80972), (2612, 46190), (2980, 40486), (3265, 36952), (4619, 26120), (5224, 23095), (5960, 20243), (6530, 18476), (9238, 13060)]