865580880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{643}}^1$

素因数の和:809

約数の個数: 160

約数和(自身を含む): 2759823360

約数和(自身を除く): 1894242480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 71, 79, 80, 120, 142, 158, 213, 237, 240, 284, 316, 355, 395, 426, 474, 568, 632, 643, 710, 790, 852, 948, 1065, 1136, 1185, 1264, 1286, 1420, 1580, 1704, 1896, 1929, 2130, 2370, 2572, 2840, 3160, 3215, 3408, 3792, 3858, 4260, 4740, 5144, 5609, 5680, 6320, 6430, 7716, 8520, 9480, 9645, 10288, 11218, 12860, 15432, 16827, 17040, 18960, 19290, 22436, 25720, 28045, 30864, 33654, 38580, 44872, 45653, 50797, 51440, 56090, 67308, 77160, 84135, 89744, 91306, 101594, 112180, 134616, 136959, 152391, 154320, 168270, 182612, 203188, 224360, 228265, 253985, 269232, 273918, 304782, 336540, 365224, 406376, 448720, 456530, 507970, 547836, 609564, 673080, 684795, 730448, 761955, 812752, 913060, 1015940, 1095672, 1219128, 1346160, 1369590, 1523910, 1826120, 2031880, 2191344, 2438256, 2739180, 3047820, 3606587, 3652240, 4063760, 5478360, 6095640, 7213174, 10819761, 10956720, 12191280, 14426348, 18032935, 21639522, 28852696, 36065870, 43279044, 54098805, 57705392, 72131740, 86558088, 108197610, 144263480, 173116176, 216395220, 288526960, 432790440, 865580880]

約数ペア:

[(1, 865580880), (2, 432790440), (3, 288526960), (4, 216395220), (5, 173116176), (6, 144263480), (8, 108197610), (10, 86558088), (12, 72131740), (15, 57705392), (16, 54098805), (20, 43279044), (24, 36065870), (30, 28852696), (40, 21639522), (48, 18032935), (60, 14426348), (71, 12191280), (79, 10956720), (80, 10819761), (120, 7213174), (142, 6095640), (158, 5478360), (213, 4063760), (237, 3652240), (240, 3606587), (284, 3047820), (316, 2739180), (355, 2438256), (395, 2191344), (426, 2031880), (474, 1826120), (568, 1523910), (632, 1369590), (643, 1346160), (710, 1219128), (790, 1095672), (852, 1015940), (948, 913060), (1065, 812752), (1136, 761955), (1185, 730448), (1264, 684795), (1286, 673080), (1420, 609564), (1580, 547836), (1704, 507970), (1896, 456530), (1929, 448720), (2130, 406376), (2370, 365224), (2572, 336540), (2840, 304782), (3160, 273918), (3215, 269232), (3408, 253985), (3792, 228265), (3858, 224360), (4260, 203188), (4740, 182612), (5144, 168270), (5609, 154320), (5680, 152391), (6320, 136959), (6430, 134616), (7716, 112180), (8520, 101594), (9480, 91306), (9645, 89744), (10288, 84135), (11218, 77160), (12860, 67308), (15432, 56090), (16827, 51440), (17040, 50797), (18960, 45653), (19290, 44872), (22436, 38580), (25720, 33654), (28045, 30864)]