17687520

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1$

素因数の和:265

約数の個数: 144

約数和(自身を含む): 61562592

約数和(自身を除く): 43875072

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 71, 72, 80, 90, 96, 120, 142, 144, 160, 173, 180, 213, 240, 284, 288, 346, 355, 360, 426, 480, 519, 568, 639, 692, 710, 720, 852, 865, 1038, 1065, 1136, 1278, 1384, 1420, 1440, 1557, 1704, 1730, 2076, 2130, 2272, 2556, 2595, 2768, 2840, 3114, 3195, 3408, 3460, 4152, 4260, 5112, 5190, 5536, 5680, 6228, 6390, 6816, 6920, 7785, 8304, 8520, 10224, 10380, 11360, 12283, 12456, 12780, 13840, 15570, 16608, 17040, 20448, 20760, 24566, 24912, 25560, 27680, 31140, 34080, 36849, 41520, 49132, 49824, 51120, 61415, 62280, 73698, 83040, 98264, 102240, 110547, 122830, 124560, 147396, 184245, 196528, 221094, 245660, 249120, 294792, 368490, 393056, 442188, 491320, 552735, 589584, 736980, 884376, 982640, 1105470, 1179168, 1473960, 1768752, 1965280, 2210940, 2947920, 3537504, 4421880, 5895840, 8843760, 17687520]

約数ペア:

[(1, 17687520), (2, 8843760), (3, 5895840), (4, 4421880), (5, 3537504), (6, 2947920), (8, 2210940), (9, 1965280), (10, 1768752), (12, 1473960), (15, 1179168), (16, 1105470), (18, 982640), (20, 884376), (24, 736980), (30, 589584), (32, 552735), (36, 491320), (40, 442188), (45, 393056), (48, 368490), (60, 294792), (71, 249120), (72, 245660), (80, 221094), (90, 196528), (96, 184245), (120, 147396), (142, 124560), (144, 122830), (160, 110547), (173, 102240), (180, 98264), (213, 83040), (240, 73698), (284, 62280), (288, 61415), (346, 51120), (355, 49824), (360, 49132), (426, 41520), (480, 36849), (519, 34080), (568, 31140), (639, 27680), (692, 25560), (710, 24912), (720, 24566), (852, 20760), (865, 20448), (1038, 17040), (1065, 16608), (1136, 15570), (1278, 13840), (1384, 12780), (1420, 12456), (1440, 12283), (1557, 11360), (1704, 10380), (1730, 10224), (2076, 8520), (2130, 8304), (2272, 7785), (2556, 6920), (2595, 6816), (2768, 6390), (2840, 6228), (3114, 5680), (3195, 5536), (3408, 5190), (3460, 5112), (4152, 4260)]