1285551040

素因数分解:

$2^6\times 5^1\times {\mathrm{53}}^1\times {\mathrm{229}}^1\times {\mathrm{331}}^1$

素因数の和:630

約数の個数: 112

約数和(自身を含む): 3142061280

約数和(自身を除く): 1856510240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 64, 80, 106, 160, 212, 229, 265, 320, 331, 424, 458, 530, 662, 848, 916, 1060, 1145, 1324, 1655, 1696, 1832, 2120, 2290, 2648, 3310, 3392, 3664, 4240, 4580, 5296, 6620, 7328, 8480, 9160, 10592, 12137, 13240, 14656, 16960, 17543, 18320, 21184, 24274, 26480, 35086, 36640, 48548, 52960, 60685, 70172, 73280, 75799, 87715, 97096, 105920, 121370, 140344, 151598, 175430, 194192, 242740, 280688, 303196, 350860, 378995, 388384, 485480, 561376, 606392, 701720, 757990, 776768, 970960, 1122752, 1212784, 1403440, 1515980, 1941920, 2425568, 2806880, 3031960, 3883840, 4017347, 4851136, 5613760, 6063920, 8034694, 12127840, 16069388, 20086735, 24255680, 32138776, 40173470, 64277552, 80346940, 128555104, 160693880, 257110208, 321387760, 642775520, 1285551040]

約数ペア:

[(1, 1285551040), (2, 642775520), (4, 321387760), (5, 257110208), (8, 160693880), (10, 128555104), (16, 80346940), (20, 64277552), (32, 40173470), (40, 32138776), (53, 24255680), (64, 20086735), (80, 16069388), (106, 12127840), (160, 8034694), (212, 6063920), (229, 5613760), (265, 4851136), (320, 4017347), (331, 3883840), (424, 3031960), (458, 2806880), (530, 2425568), (662, 1941920), (848, 1515980), (916, 1403440), (1060, 1212784), (1145, 1122752), (1324, 970960), (1655, 776768), (1696, 757990), (1832, 701720), (2120, 606392), (2290, 561376), (2648, 485480), (3310, 388384), (3392, 378995), (3664, 350860), (4240, 303196), (4580, 280688), (5296, 242740), (6620, 194192), (7328, 175430), (8480, 151598), (9160, 140344), (10592, 121370), (12137, 105920), (13240, 97096), (14656, 87715), (16960, 75799), (17543, 73280), (18320, 70172), (21184, 60685), (24274, 52960), (26480, 48548), (35086, 36640)]