165277840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{311}}^1$

素因数の和:417

約数の個数: 160

約数和(自身を含む): 480969216

約数和(自身を除く): 315691376

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 73, 80, 91, 104, 112, 130, 140, 146, 182, 208, 260, 280, 292, 311, 364, 365, 455, 511, 520, 560, 584, 622, 728, 730, 910, 949, 1022, 1040, 1168, 1244, 1456, 1460, 1555, 1820, 1898, 2044, 2177, 2488, 2555, 2920, 3110, 3640, 3796, 4043, 4088, 4354, 4745, 4976, 5110, 5840, 6220, 6643, 7280, 7592, 8086, 8176, 8708, 9490, 10220, 10885, 12440, 13286, 15184, 16172, 17416, 18980, 20215, 20440, 21770, 22703, 24880, 26572, 28301, 32344, 33215, 34832, 37960, 40430, 40880, 43540, 45406, 53144, 56602, 64688, 66430, 75920, 80860, 87080, 90812, 106288, 113204, 113515, 132860, 141505, 158921, 161720, 174160, 181624, 226408, 227030, 265720, 283010, 295139, 317842, 323440, 363248, 452816, 454060, 531440, 566020, 590278, 635684, 794605, 908120, 1132040, 1180556, 1271368, 1475695, 1589210, 1816240, 2065973, 2264080, 2361112, 2542736, 2951390, 3178420, 4131946, 4722224, 5902780, 6356840, 8263892, 10329865, 11805560, 12713680, 16527784, 20659730, 23611120, 33055568, 41319460, 82638920, 165277840]

約数ペア:

[(1, 165277840), (2, 82638920), (4, 41319460), (5, 33055568), (7, 23611120), (8, 20659730), (10, 16527784), (13, 12713680), (14, 11805560), (16, 10329865), (20, 8263892), (26, 6356840), (28, 5902780), (35, 4722224), (40, 4131946), (52, 3178420), (56, 2951390), (65, 2542736), (70, 2361112), (73, 2264080), (80, 2065973), (91, 1816240), (104, 1589210), (112, 1475695), (130, 1271368), (140, 1180556), (146, 1132040), (182, 908120), (208, 794605), (260, 635684), (280, 590278), (292, 566020), (311, 531440), (364, 454060), (365, 452816), (455, 363248), (511, 323440), (520, 317842), (560, 295139), (584, 283010), (622, 265720), (728, 227030), (730, 226408), (910, 181624), (949, 174160), (1022, 161720), (1040, 158921), (1168, 141505), (1244, 132860), (1456, 113515), (1460, 113204), (1555, 106288), (1820, 90812), (1898, 87080), (2044, 80860), (2177, 75920), (2488, 66430), (2555, 64688), (2920, 56602), (3110, 53144), (3640, 45406), (3796, 43540), (4043, 40880), (4088, 40430), (4354, 37960), (4745, 34832), (4976, 33215), (5110, 32344), (5840, 28301), (6220, 26572), (6643, 24880), (7280, 22703), (7592, 21770), (8086, 20440), (8176, 20215), (8708, 18980), (9490, 17416), (10220, 16172), (10885, 15184), (12440, 13286)]