29917980

素因数分解:

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

素因数の和:2427

約数の個数: 72

約数和(自身を含む): 92068704

約数和(自身を除く): 62150724

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 639, 710, 852, 1065, 1278, 1420, 2130, 2341, 2556, 3195, 4260, 4682, 6390, 7023, 9364, 11705, 12780, 14046, 21069, 23410, 28092, 35115, 42138, 46820, 70230, 84276, 105345, 140460, 166211, 210690, 332422, 421380, 498633, 664844, 831055, 997266, 1495899, 1662110, 1994532, 2493165, 2991798, 3324220, 4986330, 5983596, 7479495, 9972660, 14958990, 29917980]

約数ペア:

[(1, 29917980), (2, 14958990), (3, 9972660), (4, 7479495), (5, 5983596), (6, 4986330), (9, 3324220), (10, 2991798), (12, 2493165), (15, 1994532), (18, 1662110), (20, 1495899), (30, 997266), (36, 831055), (45, 664844), (60, 498633), (71, 421380), (90, 332422), (142, 210690), (180, 166211), (213, 140460), (284, 105345), (355, 84276), (426, 70230), (639, 46820), (710, 42138), (852, 35115), (1065, 28092), (1278, 23410), (1420, 21069), (2130, 14046), (2341, 12780), (2556, 11705), (3195, 9364), (4260, 7023), (4682, 6390)]