64801280

素因数分解:

$2^9\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1489}}^1$

素因数の和:1529

約数の個数: 80

約数和(自身を含む): 164621160

約数和(自身を除く): 99819880

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, 1088, 1280, 1360, 1489, 2176, 2560, 2720, 2978, 4352, 5440, 5956, 7445, 8704, 10880, 11912, 14890, 21760, 23824, 25313, 29780, 43520, 47648, 50626, 59560, 95296, 101252, 119120, 126565, 190592, 202504, 238240, 253130, 381184, 405008, 476480, 506260, 762368, 810016, 952960, 1012520, 1620032, 1905920, 2025040, 3240064, 3811840, 4050080, 6480128, 8100160, 12960256, 16200320, 32400640, 64801280]

約数ペア:

[(1, 64801280), (2, 32400640), (4, 16200320), (5, 12960256), (8, 8100160), (10, 6480128), (16, 4050080), (17, 3811840), (20, 3240064), (32, 2025040), (34, 1905920), (40, 1620032), (64, 1012520), (68, 952960), (80, 810016), (85, 762368), (128, 506260), (136, 476480), (160, 405008), (170, 381184), (256, 253130), (272, 238240), (320, 202504), (340, 190592), (512, 126565), (544, 119120), (640, 101252), (680, 95296), (1088, 59560), (1280, 50626), (1360, 47648), (1489, 43520), (2176, 29780), (2560, 25313), (2720, 23824), (2978, 21760), (4352, 14890), (5440, 11912), (5956, 10880), (7445, 8704)]