78904920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{21211}}^1$

素因数の和:21256

約数の個数: 64

約数和(自身を含む): 244362240

約数和(自身を除く): 165457320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 186, 248, 310, 372, 465, 620, 744, 930, 1240, 1860, 3720, 21211, 42422, 63633, 84844, 106055, 127266, 169688, 212110, 254532, 318165, 424220, 509064, 636330, 657541, 848440, 1272660, 1315082, 1972623, 2545320, 2630164, 3287705, 3945246, 5260328, 6575410, 7890492, 9863115, 13150820, 15780984, 19726230, 26301640, 39452460, 78904920]

約数ペア:

[(1, 78904920), (2, 39452460), (3, 26301640), (4, 19726230), (5, 15780984), (6, 13150820), (8, 9863115), (10, 7890492), (12, 6575410), (15, 5260328), (20, 3945246), (24, 3287705), (30, 2630164), (31, 2545320), (40, 1972623), (60, 1315082), (62, 1272660), (93, 848440), (120, 657541), (124, 636330), (155, 509064), (186, 424220), (248, 318165), (310, 254532), (372, 212110), (465, 169688), (620, 127266), (744, 106055), (930, 84844), (1240, 63633), (1860, 42422), (3720, 21211)]