42749820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{439}}^1\times {\mathrm{541}}^1$

素因数の和:995

約数の個数: 72

約数和(自身を含む): 130210080

約数和(自身を除く): 87460260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 439, 541, 878, 1082, 1317, 1623, 1756, 2164, 2195, 2634, 2705, 3246, 3951, 4390, 4869, 5268, 5410, 6492, 6585, 7902, 8115, 8780, 9738, 10820, 13170, 15804, 16230, 19476, 19755, 24345, 26340, 32460, 39510, 48690, 79020, 97380, 237499, 474998, 712497, 949996, 1187495, 1424994, 2137491, 2374990, 2849988, 3562485, 4274982, 4749980, 7124970, 8549964, 10687455, 14249940, 21374910, 42749820]

約数ペア:

[(1, 42749820), (2, 21374910), (3, 14249940), (4, 10687455), (5, 8549964), (6, 7124970), (9, 4749980), (10, 4274982), (12, 3562485), (15, 2849988), (18, 2374990), (20, 2137491), (30, 1424994), (36, 1187495), (45, 949996), (60, 712497), (90, 474998), (180, 237499), (439, 97380), (541, 79020), (878, 48690), (1082, 39510), (1317, 32460), (1623, 26340), (1756, 24345), (2164, 19755), (2195, 19476), (2634, 16230), (2705, 15804), (3246, 13170), (3951, 10820), (4390, 9738), (4869, 8780), (5268, 8115), (5410, 7902), (6492, 6585)]