20778207360

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{470521}}^1$

素因数の和:470566

約数の個数: 128

約数和(自身を含む): 69110271360

約数和(自身を除く): 48332064000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 60, 64, 69, 80, 92, 96, 115, 120, 128, 138, 160, 184, 192, 230, 240, 276, 320, 345, 368, 384, 460, 480, 552, 640, 690, 736, 920, 960, 1104, 1380, 1472, 1840, 1920, 2208, 2760, 2944, 3680, 4416, 5520, 7360, 8832, 11040, 14720, 22080, 44160, 470521, 941042, 1411563, 1882084, 2352605, 2823126, 3764168, 4705210, 5646252, 7057815, 7528336, 9410420, 10821983, 11292504, 14115630, 15056672, 18820840, 21643966, 22585008, 28231260, 30113344, 32465949, 37641680, 43287932, 45170016, 54109915, 56462520, 60226688, 64931898, 75283360, 86575864, 90340032, 108219830, 112925040, 129863796, 150566720, 162329745, 173151728, 180680064, 216439660, 225850080, 259727592, 301133440, 324659490, 346303456, 432879320, 451700160, 519455184, 649318980, 692606912, 865758640, 903400320, 1038910368, 1298637960, 1385213824, 1731517280, 2077820736, 2597275920, 3463034560, 4155641472, 5194551840, 6926069120, 10389103680, 20778207360]

約数ペア:

[(1, 20778207360), (2, 10389103680), (3, 6926069120), (4, 5194551840), (5, 4155641472), (6, 3463034560), (8, 2597275920), (10, 2077820736), (12, 1731517280), (15, 1385213824), (16, 1298637960), (20, 1038910368), (23, 903400320), (24, 865758640), (30, 692606912), (32, 649318980), (40, 519455184), (46, 451700160), (48, 432879320), (60, 346303456), (64, 324659490), (69, 301133440), (80, 259727592), (92, 225850080), (96, 216439660), (115, 180680064), (120, 173151728), (128, 162329745), (138, 150566720), (160, 129863796), (184, 112925040), (192, 108219830), (230, 90340032), (240, 86575864), (276, 75283360), (320, 64931898), (345, 60226688), (368, 56462520), (384, 54109915), (460, 45170016), (480, 43287932), (552, 37641680), (640, 32465949), (690, 30113344), (736, 28231260), (920, 22585008), (960, 21643966), (1104, 18820840), (1380, 15056672), (1472, 14115630), (1840, 11292504), (1920, 10821983), (2208, 9410420), (2760, 7528336), (2944, 7057815), (3680, 5646252), (4416, 4705210), (5520, 3764168), (7360, 2823126), (8832, 2352605), (11040, 1882084), (14720, 1411563), (22080, 941042), (44160, 470521)]