71641320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{257}}^1$

素因数の和:395

約数の個数: 128

約数和(自身を含む): 227370240

約数和(自身を除く): 155728920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 101, 115, 120, 138, 184, 202, 230, 257, 276, 303, 345, 404, 460, 505, 514, 552, 606, 690, 771, 808, 920, 1010, 1028, 1212, 1285, 1380, 1515, 1542, 2020, 2056, 2323, 2424, 2570, 2760, 3030, 3084, 3855, 4040, 4646, 5140, 5911, 6060, 6168, 6969, 7710, 9292, 10280, 11615, 11822, 12120, 13938, 15420, 17733, 18584, 23230, 23644, 25957, 27876, 29555, 30840, 34845, 35466, 46460, 47288, 51914, 55752, 59110, 69690, 70932, 77871, 88665, 92920, 103828, 118220, 129785, 139380, 141864, 155742, 177330, 207656, 236440, 259570, 278760, 311484, 354660, 389355, 519140, 597011, 622968, 709320, 778710, 1038280, 1194022, 1557420, 1791033, 2388044, 2985055, 3114840, 3582066, 4776088, 5970110, 7164132, 8955165, 11940220, 14328264, 17910330, 23880440, 35820660, 71641320]

約数ペア:

[(1, 71641320), (2, 35820660), (3, 23880440), (4, 17910330), (5, 14328264), (6, 11940220), (8, 8955165), (10, 7164132), (12, 5970110), (15, 4776088), (20, 3582066), (23, 3114840), (24, 2985055), (30, 2388044), (40, 1791033), (46, 1557420), (60, 1194022), (69, 1038280), (92, 778710), (101, 709320), (115, 622968), (120, 597011), (138, 519140), (184, 389355), (202, 354660), (230, 311484), (257, 278760), (276, 259570), (303, 236440), (345, 207656), (404, 177330), (460, 155742), (505, 141864), (514, 139380), (552, 129785), (606, 118220), (690, 103828), (771, 92920), (808, 88665), (920, 77871), (1010, 70932), (1028, 69690), (1212, 59110), (1285, 55752), (1380, 51914), (1515, 47288), (1542, 46460), (2020, 35466), (2056, 34845), (2323, 30840), (2424, 29555), (2570, 27876), (2760, 25957), (3030, 23644), (3084, 23230), (3855, 18584), (4040, 17733), (4646, 15420), (5140, 13938), (5911, 12120), (6060, 11822), (6168, 11615), (6969, 10280), (7710, 9292)]