71995520

素因数分解:

$2^7\times 5^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1$

素因数の和:182

約数の個数: 128

約数和(自身を含む): 184775040

約数和(自身を除く): 112779520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 67, 73, 80, 92, 115, 128, 134, 146, 160, 184, 230, 268, 292, 320, 335, 365, 368, 460, 536, 584, 640, 670, 730, 736, 920, 1072, 1168, 1340, 1460, 1472, 1541, 1679, 1840, 2144, 2336, 2680, 2920, 2944, 3082, 3358, 3680, 4288, 4672, 4891, 5360, 5840, 6164, 6716, 7360, 7705, 8395, 8576, 9344, 9782, 10720, 11680, 12328, 13432, 14720, 15410, 16790, 19564, 21440, 23360, 24455, 24656, 26864, 30820, 33580, 39128, 42880, 46720, 48910, 49312, 53728, 61640, 67160, 78256, 97820, 98624, 107456, 112493, 123280, 134320, 156512, 195640, 197248, 214912, 224986, 246560, 268640, 313024, 391280, 449972, 493120, 537280, 562465, 626048, 782560, 899944, 986240, 1074560, 1124930, 1565120, 1799888, 2249860, 3130240, 3599776, 4499720, 7199552, 8999440, 14399104, 17998880, 35997760, 71995520]

約数ペア:

[(1, 71995520), (2, 35997760), (4, 17998880), (5, 14399104), (8, 8999440), (10, 7199552), (16, 4499720), (20, 3599776), (23, 3130240), (32, 2249860), (40, 1799888), (46, 1565120), (64, 1124930), (67, 1074560), (73, 986240), (80, 899944), (92, 782560), (115, 626048), (128, 562465), (134, 537280), (146, 493120), (160, 449972), (184, 391280), (230, 313024), (268, 268640), (292, 246560), (320, 224986), (335, 214912), (365, 197248), (368, 195640), (460, 156512), (536, 134320), (584, 123280), (640, 112493), (670, 107456), (730, 98624), (736, 97820), (920, 78256), (1072, 67160), (1168, 61640), (1340, 53728), (1460, 49312), (1472, 48910), (1541, 46720), (1679, 42880), (1840, 39128), (2144, 33580), (2336, 30820), (2680, 26864), (2920, 24656), (2944, 24455), (3082, 23360), (3358, 21440), (3680, 19564), (4288, 16790), (4672, 15410), (4891, 14720), (5360, 13432), (5840, 12328), (6164, 11680), (6716, 10720), (7360, 9782), (7705, 9344), (8395, 8576)]