12218240

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1123}}^1$

素因数の和:1159

約数の個数: 64

約数和(自身を含む): 30954960

約数和(自身を除く): 18736720

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 272, 320, 340, 544, 640, 680, 1088, 1123, 1360, 2176, 2246, 2720, 4492, 5440, 5615, 8984, 10880, 11230, 17968, 19091, 22460, 35936, 38182, 44920, 71872, 76364, 89840, 95455, 143744, 152728, 179680, 190910, 305456, 359360, 381820, 610912, 718720, 763640, 1221824, 1527280, 2443648, 3054560, 6109120, 12218240]

約数ペア:

[(1, 12218240), (2, 6109120), (4, 3054560), (5, 2443648), (8, 1527280), (10, 1221824), (16, 763640), (17, 718720), (20, 610912), (32, 381820), (34, 359360), (40, 305456), (64, 190910), (68, 179680), (80, 152728), (85, 143744), (128, 95455), (136, 89840), (160, 76364), (170, 71872), (272, 44920), (320, 38182), (340, 35936), (544, 22460), (640, 19091), (680, 17968), (1088, 11230), (1123, 10880), (1360, 8984), (2176, 5615), (2246, 5440), (2720, 4492)]