77889960

素因数分解:

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

素因数の和:472

約数の個数: 144

約数和(自身を含む): 265274100

約数和(自身を除く): 187384140

約数列:

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

約数ペア:

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