31183740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{24749}}^1$

素因数の和:24771

約数の個数: 72

約数和(自身を含む): 108108000

約数和(自身を除く): 76924260

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 24749, 49498, 74247, 98996, 123745, 148494, 173243, 222741, 247490, 296988, 346486, 371235, 445482, 494980, 519729, 692972, 742470, 866215, 890964, 1039458, 1113705, 1484940, 1559187, 1732430, 2078916, 2227410, 2598645, 3118374, 3464860, 4454820, 5197290, 6236748, 7795935, 10394580, 15591870, 31183740]

約数ペア:

[(1, 31183740), (2, 15591870), (3, 10394580), (4, 7795935), (5, 6236748), (6, 5197290), (7, 4454820), (9, 3464860), (10, 3118374), (12, 2598645), (14, 2227410), (15, 2078916), (18, 1732430), (20, 1559187), (21, 1484940), (28, 1113705), (30, 1039458), (35, 890964), (36, 866215), (42, 742470), (45, 692972), (60, 519729), (63, 494980), (70, 445482), (84, 371235), (90, 346486), (105, 296988), (126, 247490), (140, 222741), (180, 173243), (210, 148494), (252, 123745), (315, 98996), (420, 74247), (630, 49498), (1260, 24749)]