1291325440

素因数分解:

$2^{12}\times 5^1\times {\mathrm{17}}^1\times {\mathrm{3709}}^1$

素因数の和:3755

約数の個数: 104

約数和(自身を含む): 3281969880

約数和(自身を除く): 1990644440

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 256, 272, 320, 340, 512, 544, 640, 680, 1024, 1088, 1280, 1360, 2048, 2176, 2560, 2720, 3709, 4096, 4352, 5120, 5440, 7418, 8704, 10240, 10880, 14836, 17408, 18545, 20480, 21760, 29672, 34816, 37090, 43520, 59344, 63053, 69632, 74180, 87040, 118688, 126106, 148360, 174080, 237376, 252212, 296720, 315265, 348160, 474752, 504424, 593440, 630530, 949504, 1008848, 1186880, 1261060, 1899008, 2017696, 2373760, 2522120, 3798016, 4035392, 4747520, 5044240, 7596032, 8070784, 9495040, 10088480, 15192064, 16141568, 18990080, 20176960, 32283136, 37980160, 40353920, 64566272, 75960320, 80707840, 129132544, 161415680, 258265088, 322831360, 645662720, 1291325440]

約数ペア:

[(1, 1291325440), (2, 645662720), (4, 322831360), (5, 258265088), (8, 161415680), (10, 129132544), (16, 80707840), (17, 75960320), (20, 64566272), (32, 40353920), (34, 37980160), (40, 32283136), (64, 20176960), (68, 18990080), (80, 16141568), (85, 15192064), (128, 10088480), (136, 9495040), (160, 8070784), (170, 7596032), (256, 5044240), (272, 4747520), (320, 4035392), (340, 3798016), (512, 2522120), (544, 2373760), (640, 2017696), (680, 1899008), (1024, 1261060), (1088, 1186880), (1280, 1008848), (1360, 949504), (2048, 630530), (2176, 593440), (2560, 504424), (2720, 474752), (3709, 348160), (4096, 315265), (4352, 296720), (5120, 252212), (5440, 237376), (7418, 174080), (8704, 148360), (10240, 126106), (10880, 118688), (14836, 87040), (17408, 74180), (18545, 69632), (20480, 63053), (21760, 59344), (29672, 43520), (34816, 37090)]