121230080

素因数分解:

$2^8\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1787}}^1$

素因数の和:1861

約数の個数: 72

約数和(自身を含む): 296028432

約数和(自身を除く): 174798352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 64, 80, 106, 128, 160, 212, 256, 265, 320, 424, 530, 640, 848, 1060, 1280, 1696, 1787, 2120, 3392, 3574, 4240, 6784, 7148, 8480, 8935, 13568, 14296, 16960, 17870, 28592, 33920, 35740, 57184, 67840, 71480, 94711, 114368, 142960, 189422, 228736, 285920, 378844, 457472, 473555, 571840, 757688, 947110, 1143680, 1515376, 1894220, 2287360, 3030752, 3788440, 6061504, 7576880, 12123008, 15153760, 24246016, 30307520, 60615040, 121230080]

約数ペア:

[(1, 121230080), (2, 60615040), (4, 30307520), (5, 24246016), (8, 15153760), (10, 12123008), (16, 7576880), (20, 6061504), (32, 3788440), (40, 3030752), (53, 2287360), (64, 1894220), (80, 1515376), (106, 1143680), (128, 947110), (160, 757688), (212, 571840), (256, 473555), (265, 457472), (320, 378844), (424, 285920), (530, 228736), (640, 189422), (848, 142960), (1060, 114368), (1280, 94711), (1696, 71480), (1787, 67840), (2120, 57184), (3392, 35740), (3574, 33920), (4240, 28592), (6784, 17870), (7148, 16960), (8480, 14296), (8935, 13568)]