168143940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{54949}}^1$

素因数の和:54981

約数の個数: 72

約数和(自身を含む): 540048600

約数和(自身を除く): 371904660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 510, 612, 765, 1020, 1530, 3060, 54949, 109898, 164847, 219796, 274745, 329694, 494541, 549490, 659388, 824235, 934133, 989082, 1098980, 1648470, 1868266, 1978164, 2472705, 2802399, 3296940, 3736532, 4670665, 4945410, 5604798, 8407197, 9341330, 9890820, 11209596, 14011995, 16814394, 18682660, 28023990, 33628788, 42035985, 56047980, 84071970, 168143940]

約数ペア:

[(1, 168143940), (2, 84071970), (3, 56047980), (4, 42035985), (5, 33628788), (6, 28023990), (9, 18682660), (10, 16814394), (12, 14011995), (15, 11209596), (17, 9890820), (18, 9341330), (20, 8407197), (30, 5604798), (34, 4945410), (36, 4670665), (45, 3736532), (51, 3296940), (60, 2802399), (68, 2472705), (85, 1978164), (90, 1868266), (102, 1648470), (153, 1098980), (170, 989082), (180, 934133), (204, 824235), (255, 659388), (306, 549490), (340, 494541), (510, 329694), (612, 274745), (765, 219796), (1020, 164847), (1530, 109898), (3060, 54949)]