18650240

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1$

素因数の和:230

約数の個数: 128

約数和(自身を含む): 53464320

約数和(自身を除く): 34814080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 56, 64, 70, 80, 92, 112, 115, 128, 140, 160, 161, 181, 184, 224, 230, 280, 320, 322, 362, 368, 448, 460, 560, 640, 644, 724, 736, 805, 896, 905, 920, 1120, 1267, 1288, 1448, 1472, 1610, 1810, 1840, 2240, 2534, 2576, 2896, 2944, 3220, 3620, 3680, 4163, 4480, 5068, 5152, 5792, 6335, 6440, 7240, 7360, 8326, 10136, 10304, 11584, 12670, 12880, 14480, 14720, 16652, 20272, 20608, 20815, 23168, 25340, 25760, 28960, 29141, 33304, 40544, 41630, 50680, 51520, 57920, 58282, 66608, 81088, 83260, 101360, 103040, 115840, 116564, 133216, 145705, 162176, 166520, 202720, 233128, 266432, 291410, 333040, 405440, 466256, 532864, 582820, 666080, 810880, 932512, 1165640, 1332160, 1865024, 2331280, 2664320, 3730048, 4662560, 9325120, 18650240]

約数ペア:

[(1, 18650240), (2, 9325120), (4, 4662560), (5, 3730048), (7, 2664320), (8, 2331280), (10, 1865024), (14, 1332160), (16, 1165640), (20, 932512), (23, 810880), (28, 666080), (32, 582820), (35, 532864), (40, 466256), (46, 405440), (56, 333040), (64, 291410), (70, 266432), (80, 233128), (92, 202720), (112, 166520), (115, 162176), (128, 145705), (140, 133216), (160, 116564), (161, 115840), (181, 103040), (184, 101360), (224, 83260), (230, 81088), (280, 66608), (320, 58282), (322, 57920), (362, 51520), (368, 50680), (448, 41630), (460, 40544), (560, 33304), (640, 29141), (644, 28960), (724, 25760), (736, 25340), (805, 23168), (896, 20815), (905, 20608), (920, 20272), (1120, 16652), (1267, 14720), (1288, 14480), (1448, 12880), (1472, 12670), (1610, 11584), (1810, 10304), (1840, 10136), (2240, 8326), (2534, 7360), (2576, 7240), (2896, 6440), (2944, 6335), (3220, 5792), (3620, 5152), (3680, 5068), (4163, 4480)]