30998940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{3209}}^1$

素因数の和:3251

約数の個数: 96

約数和(自身を含む): 103541760

約数和(自身を除く): 72542820

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 35, 42, 46, 60, 69, 70, 84, 92, 105, 115, 138, 140, 161, 210, 230, 276, 322, 345, 420, 460, 483, 644, 690, 805, 966, 1380, 1610, 1932, 2415, 3209, 3220, 4830, 6418, 9627, 9660, 12836, 16045, 19254, 22463, 32090, 38508, 44926, 48135, 64180, 67389, 73807, 89852, 96270, 112315, 134778, 147614, 192540, 221421, 224630, 269556, 295228, 336945, 369035, 442842, 449260, 516649, 673890, 738070, 885684, 1033298, 1107105, 1347780, 1476140, 1549947, 2066596, 2214210, 2583245, 3099894, 4428420, 5166490, 6199788, 7749735, 10332980, 15499470, 30998940]

約数ペア:

[(1, 30998940), (2, 15499470), (3, 10332980), (4, 7749735), (5, 6199788), (6, 5166490), (7, 4428420), (10, 3099894), (12, 2583245), (14, 2214210), (15, 2066596), (20, 1549947), (21, 1476140), (23, 1347780), (28, 1107105), (30, 1033298), (35, 885684), (42, 738070), (46, 673890), (60, 516649), (69, 449260), (70, 442842), (84, 369035), (92, 336945), (105, 295228), (115, 269556), (138, 224630), (140, 221421), (161, 192540), (210, 147614), (230, 134778), (276, 112315), (322, 96270), (345, 89852), (420, 73807), (460, 67389), (483, 64180), (644, 48135), (690, 44926), (805, 38508), (966, 32090), (1380, 22463), (1610, 19254), (1932, 16045), (2415, 12836), (3209, 9660), (3220, 9627), (4830, 6418)]