31904460

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{25321}}^1$

素因数の和:25343

約数の個数: 72

約数和(自身を含む): 110606496

約数和(自身を除く): 78702036

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, 25321, 50642, 75963, 101284, 126605, 151926, 177247, 227889, 253210, 303852, 354494, 379815, 455778, 506420, 531741, 708988, 759630, 886235, 911556, 1063482, 1139445, 1519260, 1595223, 1772470, 2126964, 2278890, 2658705, 3190446, 3544940, 4557780, 5317410, 6380892, 7976115, 10634820, 15952230, 31904460]

約数ペア:

[(1, 31904460), (2, 15952230), (3, 10634820), (4, 7976115), (5, 6380892), (6, 5317410), (7, 4557780), (9, 3544940), (10, 3190446), (12, 2658705), (14, 2278890), (15, 2126964), (18, 1772470), (20, 1595223), (21, 1519260), (28, 1139445), (30, 1063482), (35, 911556), (36, 886235), (42, 759630), (45, 708988), (60, 531741), (63, 506420), (70, 455778), (84, 379815), (90, 354494), (105, 303852), (126, 253210), (140, 227889), (180, 177247), (210, 151926), (252, 126605), (315, 101284), (420, 75963), (630, 50642), (1260, 25321)]