160620040

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{23}}^1\times {\mathrm{509}}^1$

素因数の和:564

約数の個数: 128

約数和(自身を含む): 440640000

約数和(自身を除く): 280019960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 49, 56, 70, 92, 98, 115, 140, 161, 184, 196, 230, 245, 280, 322, 343, 392, 460, 490, 509, 644, 686, 805, 920, 980, 1018, 1127, 1288, 1372, 1610, 1715, 1960, 2036, 2254, 2545, 2744, 3220, 3430, 3563, 4072, 4508, 5090, 5635, 6440, 6860, 7126, 7889, 9016, 10180, 11270, 11707, 13720, 14252, 15778, 17815, 20360, 22540, 23414, 24941, 28504, 31556, 35630, 39445, 45080, 46828, 49882, 58535, 63112, 71260, 78890, 81949, 93656, 99764, 117070, 124705, 142520, 157780, 163898, 174587, 199528, 234140, 249410, 315560, 327796, 349174, 409745, 468280, 498820, 573643, 655592, 698348, 819490, 872935, 997640, 1147286, 1396696, 1638980, 1745870, 2294572, 2868215, 3277960, 3491740, 4015501, 4589144, 5736430, 6983480, 8031002, 11472860, 16062004, 20077505, 22945720, 32124008, 40155010, 80310020, 160620040]

約数ペア:

[(1, 160620040), (2, 80310020), (4, 40155010), (5, 32124008), (7, 22945720), (8, 20077505), (10, 16062004), (14, 11472860), (20, 8031002), (23, 6983480), (28, 5736430), (35, 4589144), (40, 4015501), (46, 3491740), (49, 3277960), (56, 2868215), (70, 2294572), (92, 1745870), (98, 1638980), (115, 1396696), (140, 1147286), (161, 997640), (184, 872935), (196, 819490), (230, 698348), (245, 655592), (280, 573643), (322, 498820), (343, 468280), (392, 409745), (460, 349174), (490, 327796), (509, 315560), (644, 249410), (686, 234140), (805, 199528), (920, 174587), (980, 163898), (1018, 157780), (1127, 142520), (1288, 124705), (1372, 117070), (1610, 99764), (1715, 93656), (1960, 81949), (2036, 78890), (2254, 71260), (2545, 63112), (2744, 58535), (3220, 49882), (3430, 46828), (3563, 45080), (4072, 39445), (4508, 35630), (5090, 31556), (5635, 28504), (6440, 24941), (6860, 23414), (7126, 22540), (7889, 20360), (9016, 17815), (10180, 15778), (11270, 14252), (11707, 13720)]