72128940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:232

約数の個数: 192

約数和(自身を含む): 237834240

約数和(自身を除く): 165705300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 19, 20, 26, 30, 31, 38, 39, 52, 57, 60, 62, 65, 76, 78, 93, 95, 114, 124, 130, 155, 156, 157, 186, 190, 195, 228, 247, 260, 285, 310, 314, 372, 380, 390, 403, 465, 471, 494, 570, 589, 620, 628, 741, 780, 785, 806, 930, 942, 988, 1140, 1178, 1209, 1235, 1482, 1570, 1612, 1767, 1860, 1884, 2015, 2041, 2355, 2356, 2418, 2470, 2945, 2964, 2983, 3140, 3534, 3705, 4030, 4082, 4710, 4836, 4867, 4940, 5890, 5966, 6045, 6123, 7068, 7410, 7657, 8060, 8164, 8835, 8949, 9420, 9734, 10205, 11780, 11932, 12090, 12246, 14601, 14820, 14915, 15314, 17670, 17898, 19468, 20410, 22971, 24180, 24335, 24492, 29202, 29830, 30615, 30628, 35340, 35796, 38285, 38779, 40820, 44745, 45942, 48670, 58404, 59660, 61230, 63271, 73005, 76570, 77558, 89490, 91884, 92473, 97340, 114855, 116337, 122460, 126542, 146010, 153140, 155116, 178980, 184946, 189813, 193895, 229710, 232674, 253084, 277419, 292020, 316355, 369892, 379626, 387790, 459420, 462365, 465348, 554838, 581685, 632710, 759252, 775580, 924730, 949065, 1109676, 1163370, 1202149, 1265420, 1387095, 1849460, 1898130, 2326740, 2404298, 2774190, 3606447, 3796260, 4808596, 5548380, 6010745, 7212894, 12021490, 14425788, 18032235, 24042980, 36064470, 72128940]

約数ペア:

[(1, 72128940), (2, 36064470), (3, 24042980), (4, 18032235), (5, 14425788), (6, 12021490), (10, 7212894), (12, 6010745), (13, 5548380), (15, 4808596), (19, 3796260), (20, 3606447), (26, 2774190), (30, 2404298), (31, 2326740), (38, 1898130), (39, 1849460), (52, 1387095), (57, 1265420), (60, 1202149), (62, 1163370), (65, 1109676), (76, 949065), (78, 924730), (93, 775580), (95, 759252), (114, 632710), (124, 581685), (130, 554838), (155, 465348), (156, 462365), (157, 459420), (186, 387790), (190, 379626), (195, 369892), (228, 316355), (247, 292020), (260, 277419), (285, 253084), (310, 232674), (314, 229710), (372, 193895), (380, 189813), (390, 184946), (403, 178980), (465, 155116), (471, 153140), (494, 146010), (570, 126542), (589, 122460), (620, 116337), (628, 114855), (741, 97340), (780, 92473), (785, 91884), (806, 89490), (930, 77558), (942, 76570), (988, 73005), (1140, 63271), (1178, 61230), (1209, 59660), (1235, 58404), (1482, 48670), (1570, 45942), (1612, 44745), (1767, 40820), (1860, 38779), (1884, 38285), (2015, 35796), (2041, 35340), (2355, 30628), (2356, 30615), (2418, 29830), (2470, 29202), (2945, 24492), (2964, 24335), (2983, 24180), (3140, 22971), (3534, 20410), (3705, 19468), (4030, 17898), (4082, 17670), (4710, 15314), (4836, 14915), (4867, 14820), (4940, 14601), (5890, 12246), (5966, 12090), (6045, 11932), (6123, 11780), (7068, 10205), (7410, 9734), (7657, 9420), (8060, 8949), (8164, 8835)]