128964640

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{1019}}^1$

素因数の和:1154

約数の個数: 96

約数和(自身を含む): 351630720

約数和(自身を除く): 222666080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 113, 140, 160, 224, 226, 280, 452, 560, 565, 791, 904, 1019, 1120, 1130, 1582, 1808, 2038, 2260, 3164, 3616, 3955, 4076, 4520, 5095, 6328, 7133, 7910, 8152, 9040, 10190, 12656, 14266, 15820, 16304, 18080, 20380, 25312, 28532, 31640, 32608, 35665, 40760, 57064, 63280, 71330, 81520, 114128, 115147, 126560, 142660, 163040, 228256, 230294, 285320, 460588, 570640, 575735, 806029, 921176, 1141280, 1151470, 1612058, 1842352, 2302940, 3224116, 3684704, 4030145, 4605880, 6448232, 8060290, 9211760, 12896464, 16120580, 18423520, 25792928, 32241160, 64482320, 128964640]

約数ペア:

[(1, 128964640), (2, 64482320), (4, 32241160), (5, 25792928), (7, 18423520), (8, 16120580), (10, 12896464), (14, 9211760), (16, 8060290), (20, 6448232), (28, 4605880), (32, 4030145), (35, 3684704), (40, 3224116), (56, 2302940), (70, 1842352), (80, 1612058), (112, 1151470), (113, 1141280), (140, 921176), (160, 806029), (224, 575735), (226, 570640), (280, 460588), (452, 285320), (560, 230294), (565, 228256), (791, 163040), (904, 142660), (1019, 126560), (1120, 115147), (1130, 114128), (1582, 81520), (1808, 71330), (2038, 63280), (2260, 57064), (3164, 40760), (3616, 35665), (3955, 32608), (4076, 31640), (4520, 28532), (5095, 25312), (6328, 20380), (7133, 18080), (7910, 16304), (8152, 15820), (9040, 14266), (10190, 12656)]