618304920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{2341}}^1$

素因数の和:2457

約数の個数: 128

約数和(自身を含む): 1942548480

約数和(自身を除く): 1324243560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 71, 93, 120, 124, 142, 155, 186, 213, 248, 284, 310, 355, 372, 426, 465, 568, 620, 710, 744, 852, 930, 1065, 1240, 1420, 1704, 1860, 2130, 2201, 2341, 2840, 3720, 4260, 4402, 4682, 6603, 7023, 8520, 8804, 9364, 11005, 11705, 13206, 14046, 17608, 18728, 22010, 23410, 26412, 28092, 33015, 35115, 44020, 46820, 52824, 56184, 66030, 70230, 72571, 88040, 93640, 132060, 140460, 145142, 166211, 217713, 264120, 280920, 290284, 332422, 362855, 435426, 498633, 580568, 664844, 725710, 831055, 870852, 997266, 1088565, 1329688, 1451420, 1662110, 1741704, 1994532, 2177130, 2493165, 2902840, 3324220, 3989064, 4354260, 4986330, 5152541, 6648440, 8708520, 9972660, 10305082, 15457623, 19945320, 20610164, 25762705, 30915246, 41220328, 51525410, 61830492, 77288115, 103050820, 123660984, 154576230, 206101640, 309152460, 618304920]

約数ペア:

[(1, 618304920), (2, 309152460), (3, 206101640), (4, 154576230), (5, 123660984), (6, 103050820), (8, 77288115), (10, 61830492), (12, 51525410), (15, 41220328), (20, 30915246), (24, 25762705), (30, 20610164), (31, 19945320), (40, 15457623), (60, 10305082), (62, 9972660), (71, 8708520), (93, 6648440), (120, 5152541), (124, 4986330), (142, 4354260), (155, 3989064), (186, 3324220), (213, 2902840), (248, 2493165), (284, 2177130), (310, 1994532), (355, 1741704), (372, 1662110), (426, 1451420), (465, 1329688), (568, 1088565), (620, 997266), (710, 870852), (744, 831055), (852, 725710), (930, 664844), (1065, 580568), (1240, 498633), (1420, 435426), (1704, 362855), (1860, 332422), (2130, 290284), (2201, 280920), (2341, 264120), (2840, 217713), (3720, 166211), (4260, 145142), (4402, 140460), (4682, 132060), (6603, 93640), (7023, 88040), (8520, 72571), (8804, 70230), (9364, 66030), (11005, 56184), (11705, 52824), (13206, 46820), (14046, 44020), (17608, 35115), (18728, 33015), (22010, 28092), (23410, 26412)]