155779920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{23}}^2\times {\mathrm{409}}^1$

素因数の和:474

約数の個数: 180

約数和(自身を含む): 548233140

約数和(自身を除く): 392453220

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 36, 40, 45, 46, 48, 60, 69, 72, 80, 90, 92, 115, 120, 138, 144, 180, 184, 207, 230, 240, 276, 345, 360, 368, 409, 414, 460, 529, 552, 690, 720, 818, 828, 920, 1035, 1058, 1104, 1227, 1380, 1587, 1636, 1656, 1840, 2045, 2070, 2116, 2454, 2645, 2760, 3174, 3272, 3312, 3681, 4090, 4140, 4232, 4761, 4908, 5290, 5520, 6135, 6348, 6544, 7362, 7935, 8180, 8280, 8464, 9407, 9522, 9816, 10580, 12270, 12696, 14724, 15870, 16360, 16560, 18405, 18814, 19044, 19632, 21160, 23805, 24540, 25392, 28221, 29448, 31740, 32720, 36810, 37628, 38088, 42320, 47035, 47610, 49080, 56442, 58896, 63480, 73620, 75256, 76176, 84663, 94070, 95220, 98160, 112884, 126960, 141105, 147240, 150512, 169326, 188140, 190440, 216361, 225768, 282210, 294480, 338652, 376280, 380880, 423315, 432722, 451536, 564420, 649083, 677304, 752560, 846630, 865444, 1081805, 1128840, 1298166, 1354608, 1693260, 1730888, 1947249, 2163610, 2257680, 2596332, 3245415, 3386520, 3461776, 3894498, 4327220, 5192664, 6490830, 6773040, 7788996, 8654440, 9736245, 10385328, 12981660, 15577992, 17308880, 19472490, 25963320, 31155984, 38944980, 51926640, 77889960, 155779920]

約数ペア:

[(1, 155779920), (2, 77889960), (3, 51926640), (4, 38944980), (5, 31155984), (6, 25963320), (8, 19472490), (9, 17308880), (10, 15577992), (12, 12981660), (15, 10385328), (16, 9736245), (18, 8654440), (20, 7788996), (23, 6773040), (24, 6490830), (30, 5192664), (36, 4327220), (40, 3894498), (45, 3461776), (46, 3386520), (48, 3245415), (60, 2596332), (69, 2257680), (72, 2163610), (80, 1947249), (90, 1730888), (92, 1693260), (115, 1354608), (120, 1298166), (138, 1128840), (144, 1081805), (180, 865444), (184, 846630), (207, 752560), (230, 677304), (240, 649083), (276, 564420), (345, 451536), (360, 432722), (368, 423315), (409, 380880), (414, 376280), (460, 338652), (529, 294480), (552, 282210), (690, 225768), (720, 216361), (818, 190440), (828, 188140), (920, 169326), (1035, 150512), (1058, 147240), (1104, 141105), (1227, 126960), (1380, 112884), (1587, 98160), (1636, 95220), (1656, 94070), (1840, 84663), (2045, 76176), (2070, 75256), (2116, 73620), (2454, 63480), (2645, 58896), (2760, 56442), (3174, 49080), (3272, 47610), (3312, 47035), (3681, 42320), (4090, 38088), (4140, 37628), (4232, 36810), (4761, 32720), (4908, 31740), (5290, 29448), (5520, 28221), (6135, 25392), (6348, 24540), (6544, 23805), (7362, 21160), (7935, 19632), (8180, 19044), (8280, 18814), (8464, 18405), (9407, 16560), (9522, 16360), (9816, 15870), (10580, 14724), (12270, 12696)]