2145760020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{811}}^1\times {\mathrm{14699}}^1$

素因数の和:15525

約数の個数: 72

約数和(自身を含む): 6517274400

約数和(自身を除く): 4371514380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 811, 1622, 2433, 3244, 4055, 4866, 7299, 8110, 9732, 12165, 14598, 14699, 16220, 24330, 29196, 29398, 36495, 44097, 48660, 58796, 72990, 73495, 88194, 132291, 145980, 146990, 176388, 220485, 264582, 293980, 440970, 529164, 661455, 881940, 1322910, 2645820, 11920889, 23841778, 35762667, 47683556, 59604445, 71525334, 107288001, 119208890, 143050668, 178813335, 214576002, 238417780, 357626670, 429152004, 536440005, 715253340, 1072880010, 2145760020]

約数ペア:

[(1, 2145760020), (2, 1072880010), (3, 715253340), (4, 536440005), (5, 429152004), (6, 357626670), (9, 238417780), (10, 214576002), (12, 178813335), (15, 143050668), (18, 119208890), (20, 107288001), (30, 71525334), (36, 59604445), (45, 47683556), (60, 35762667), (90, 23841778), (180, 11920889), (811, 2645820), (1622, 1322910), (2433, 881940), (3244, 661455), (4055, 529164), (4866, 440970), (7299, 293980), (8110, 264582), (9732, 220485), (12165, 176388), (14598, 146990), (14699, 145980), (16220, 132291), (24330, 88194), (29196, 73495), (29398, 72990), (36495, 58796), (44097, 48660)]