142712240

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{641}}^1$

素因数の和:699

約数の個数: 120

約数和(自身を含む): 381163104

約数和(自身を除く): 238450864

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 40, 44, 46, 55, 80, 88, 92, 110, 115, 121, 176, 184, 220, 230, 242, 253, 368, 440, 460, 484, 506, 605, 641, 880, 920, 968, 1012, 1210, 1265, 1282, 1840, 1936, 2024, 2420, 2530, 2564, 2783, 3205, 4048, 4840, 5060, 5128, 5566, 6410, 7051, 9680, 10120, 10256, 11132, 12820, 13915, 14102, 14743, 20240, 22264, 25640, 27830, 28204, 29486, 35255, 44528, 51280, 55660, 56408, 58972, 70510, 73715, 77561, 111320, 112816, 117944, 141020, 147430, 155122, 162173, 222640, 235888, 282040, 294860, 310244, 324346, 387805, 564080, 589720, 620488, 648692, 775610, 810865, 1179440, 1240976, 1297384, 1551220, 1621730, 1783903, 2594768, 3102440, 3243460, 3567806, 6204880, 6486920, 7135612, 8919515, 12973840, 14271224, 17839030, 28542448, 35678060, 71356120, 142712240]

約数ペア:

[(1, 142712240), (2, 71356120), (4, 35678060), (5, 28542448), (8, 17839030), (10, 14271224), (11, 12973840), (16, 8919515), (20, 7135612), (22, 6486920), (23, 6204880), (40, 3567806), (44, 3243460), (46, 3102440), (55, 2594768), (80, 1783903), (88, 1621730), (92, 1551220), (110, 1297384), (115, 1240976), (121, 1179440), (176, 810865), (184, 775610), (220, 648692), (230, 620488), (242, 589720), (253, 564080), (368, 387805), (440, 324346), (460, 310244), (484, 294860), (506, 282040), (605, 235888), (641, 222640), (880, 162173), (920, 155122), (968, 147430), (1012, 141020), (1210, 117944), (1265, 112816), (1282, 111320), (1840, 77561), (1936, 73715), (2024, 70510), (2420, 58972), (2530, 56408), (2564, 55660), (2783, 51280), (3205, 44528), (4048, 35255), (4840, 29486), (5060, 28204), (5128, 27830), (5566, 25640), (6410, 22264), (7051, 20240), (9680, 14743), (10120, 14102), (10256, 13915), (11132, 12820)]