66290640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{21247}}^1$

素因数の和:21276

約数の個数: 80

約数和(自身を含む): 221319168

約数和(自身を除く): 155028528

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 21247, 42494, 63741, 84988, 106235, 127482, 169976, 212470, 254964, 276211, 318705, 339952, 424940, 509928, 552422, 637410, 828633, 849880, 1019856, 1104844, 1274820, 1381055, 1657266, 1699760, 2209688, 2549640, 2762110, 3314532, 4143165, 4419376, 5099280, 5524220, 6629064, 8286330, 11048440, 13258128, 16572660, 22096880, 33145320, 66290640]

約数ペア:

[(1, 66290640), (2, 33145320), (3, 22096880), (4, 16572660), (5, 13258128), (6, 11048440), (8, 8286330), (10, 6629064), (12, 5524220), (13, 5099280), (15, 4419376), (16, 4143165), (20, 3314532), (24, 2762110), (26, 2549640), (30, 2209688), (39, 1699760), (40, 1657266), (48, 1381055), (52, 1274820), (60, 1104844), (65, 1019856), (78, 849880), (80, 828633), (104, 637410), (120, 552422), (130, 509928), (156, 424940), (195, 339952), (208, 318705), (240, 276211), (260, 254964), (312, 212470), (390, 169976), (520, 127482), (624, 106235), (780, 84988), (1040, 63741), (1560, 42494), (3120, 21247)]