90578320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{8513}}^1$

素因数の和:8552

約数の個数: 80

約数和(自身を含む): 253376640

約数和(自身を除く): 162798320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 190, 266, 280, 304, 380, 532, 560, 665, 760, 1064, 1330, 1520, 2128, 2660, 5320, 8513, 10640, 17026, 34052, 42565, 59591, 68104, 85130, 119182, 136208, 161747, 170260, 238364, 297955, 323494, 340520, 476728, 595910, 646988, 681040, 808735, 953456, 1132229, 1191820, 1293976, 1617470, 2264458, 2383640, 2587952, 3234940, 4528916, 4767280, 5661145, 6469880, 9057832, 11322290, 12939760, 18115664, 22644580, 45289160, 90578320]

約数ペア:

[(1, 90578320), (2, 45289160), (4, 22644580), (5, 18115664), (7, 12939760), (8, 11322290), (10, 9057832), (14, 6469880), (16, 5661145), (19, 4767280), (20, 4528916), (28, 3234940), (35, 2587952), (38, 2383640), (40, 2264458), (56, 1617470), (70, 1293976), (76, 1191820), (80, 1132229), (95, 953456), (112, 808735), (133, 681040), (140, 646988), (152, 595910), (190, 476728), (266, 340520), (280, 323494), (304, 297955), (380, 238364), (532, 170260), (560, 161747), (665, 136208), (760, 119182), (1064, 85130), (1330, 68104), (1520, 59591), (2128, 42565), (2660, 34052), (5320, 17026), (8513, 10640)]