66669440

素因数分解:

$2^7\times 5^1\times {\mathrm{73}}^1\times {\mathrm{1427}}^1$

素因数の和:1519

約数の個数: 64

約数和(自身を含む): 161678160

約数和(自身を除く): 95008720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 73, 80, 128, 146, 160, 292, 320, 365, 584, 640, 730, 1168, 1427, 1460, 2336, 2854, 2920, 4672, 5708, 5840, 7135, 9344, 11416, 11680, 14270, 22832, 23360, 28540, 45664, 46720, 57080, 91328, 104171, 114160, 182656, 208342, 228320, 416684, 456640, 520855, 833368, 913280, 1041710, 1666736, 2083420, 3333472, 4166840, 6666944, 8333680, 13333888, 16667360, 33334720, 66669440]

約数ペア:

[(1, 66669440), (2, 33334720), (4, 16667360), (5, 13333888), (8, 8333680), (10, 6666944), (16, 4166840), (20, 3333472), (32, 2083420), (40, 1666736), (64, 1041710), (73, 913280), (80, 833368), (128, 520855), (146, 456640), (160, 416684), (292, 228320), (320, 208342), (365, 182656), (584, 114160), (640, 104171), (730, 91328), (1168, 57080), (1427, 46720), (1460, 45664), (2336, 28540), (2854, 23360), (2920, 22832), (4672, 14270), (5708, 11680), (5840, 11416), (7135, 9344)]