216386820

素因数分解:

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

素因数の和:235

約数の個数: 288

約数和(自身を含む): 772961280

約数和(自身を除く): 556574460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 19, 20, 26, 30, 31, 36, 38, 39, 45, 52, 57, 60, 62, 65, 76, 78, 90, 93, 95, 114, 117, 124, 130, 155, 156, 157, 171, 180, 186, 190, 195, 228, 234, 247, 260, 279, 285, 310, 314, 342, 372, 380, 390, 403, 465, 468, 471, 494, 558, 570, 585, 589, 620, 628, 684, 741, 780, 785, 806, 855, 930, 942, 988, 1116, 1140, 1170, 1178, 1209, 1235, 1395, 1413, 1482, 1570, 1612, 1710, 1767, 1860, 1884, 2015, 2041, 2223, 2340, 2355, 2356, 2418, 2470, 2790, 2826, 2945, 2964, 2983, 3140, 3420, 3534, 3627, 3705, 4030, 4082, 4446, 4710, 4836, 4867, 4940, 5301, 5580, 5652, 5890, 5966, 6045, 6123, 7065, 7068, 7254, 7410, 7657, 8060, 8164, 8835, 8892, 8949, 9420, 9734, 10205, 10602, 11115, 11780, 11932, 12090, 12246, 14130, 14508, 14601, 14820, 14915, 15314, 17670, 17898, 18135, 18369, 19468, 20410, 21204, 22230, 22971, 24180, 24335, 24492, 26505, 26847, 28260, 29202, 29830, 30615, 30628, 35340, 35796, 36270, 36738, 38285, 38779, 40820, 43803, 44460, 44745, 45942, 48670, 53010, 53694, 58404, 59660, 61230, 63271, 68913, 72540, 73005, 73476, 76570, 77558, 87606, 89490, 91845, 91884, 92473, 97340, 106020, 107388, 114855, 116337, 122460, 126542, 134235, 137826, 146010, 153140, 155116, 175212, 178980, 183690, 184946, 189813, 193895, 219015, 229710, 232674, 253084, 268470, 275652, 277419, 292020, 316355, 344565, 349011, 367380, 369892, 379626, 387790, 438030, 459420, 462365, 465348, 536940, 554838, 569439, 581685, 632710, 689130, 698022, 759252, 775580, 832257, 876060, 924730, 949065, 1109676, 1138878, 1163370, 1202149, 1265420, 1378260, 1387095, 1396044, 1664514, 1745055, 1849460, 1898130, 2277756, 2326740, 2404298, 2774190, 2847195, 3329028, 3490110, 3606447, 3796260, 4161285, 4808596, 5548380, 5694390, 6010745, 6980220, 7212894, 8322570, 10819341, 11388780, 12021490, 14425788, 16645140, 18032235, 21638682, 24042980, 36064470, 43277364, 54096705, 72128940, 108193410, 216386820]

約数ペア:

[(1, 216386820), (2, 108193410), (3, 72128940), (4, 54096705), (5, 43277364), (6, 36064470), (9, 24042980), (10, 21638682), (12, 18032235), (13, 16645140), (15, 14425788), (18, 12021490), (19, 11388780), (20, 10819341), (26, 8322570), (30, 7212894), (31, 6980220), (36, 6010745), (38, 5694390), (39, 5548380), (45, 4808596), (52, 4161285), (57, 3796260), (60, 3606447), (62, 3490110), (65, 3329028), (76, 2847195), (78, 2774190), (90, 2404298), (93, 2326740), (95, 2277756), (114, 1898130), (117, 1849460), (124, 1745055), (130, 1664514), (155, 1396044), (156, 1387095), (157, 1378260), (171, 1265420), (180, 1202149), (186, 1163370), (190, 1138878), (195, 1109676), (228, 949065), (234, 924730), (247, 876060), (260, 832257), (279, 775580), (285, 759252), (310, 698022), (314, 689130), (342, 632710), (372, 581685), (380, 569439), (390, 554838), (403, 536940), (465, 465348), (468, 462365), (471, 459420), (494, 438030), (558, 387790), (570, 379626), (585, 369892), (589, 367380), (620, 349011), (628, 344565), (684, 316355), (741, 292020), (780, 277419), (785, 275652), (806, 268470), (855, 253084), (930, 232674), (942, 229710), (988, 219015), (1116, 193895), (1140, 189813), (1170, 184946), (1178, 183690), (1209, 178980), (1235, 175212), (1395, 155116), (1413, 153140), (1482, 146010), (1570, 137826), (1612, 134235), (1710, 126542), (1767, 122460), (1860, 116337), (1884, 114855), (2015, 107388), (2041, 106020), (2223, 97340), (2340, 92473), (2355, 91884), (2356, 91845), (2418, 89490), (2470, 87606), (2790, 77558), (2826, 76570), (2945, 73476), (2964, 73005), (2983, 72540), (3140, 68913), (3420, 63271), (3534, 61230), (3627, 59660), (3705, 58404), (4030, 53694), (4082, 53010), (4446, 48670), (4710, 45942), (4836, 44745), (4867, 44460), (4940, 43803), (5301, 40820), (5580, 38779), (5652, 38285), (5890, 36738), (5966, 36270), (6045, 35796), (6123, 35340), (7065, 30628), (7068, 30615), (7254, 29830), (7410, 29202), (7657, 28260), (8060, 26847), (8164, 26505), (8835, 24492), (8892, 24335), (8949, 24180), (9420, 22971), (9734, 22230), (10205, 21204), (10602, 20410), (11115, 19468), (11780, 18369), (11932, 18135), (12090, 17898), (12246, 17670), (14130, 15314), (14508, 14915), (14601, 14820)]