2019498880

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{353}}^1\times {\mathrm{1277}}^1$

素因数の和:1656

約数の個数: 128

約数和(自身を含む): 5537522880

約数和(自身を除く): 3518024000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 353, 448, 560, 640, 706, 896, 1120, 1277, 1412, 1765, 2240, 2471, 2554, 2824, 3530, 4480, 4942, 5108, 5648, 6385, 7060, 8939, 9884, 10216, 11296, 12355, 12770, 14120, 17878, 19768, 20432, 22592, 24710, 25540, 28240, 35756, 39536, 40864, 44695, 45184, 49420, 51080, 56480, 71512, 79072, 81728, 89390, 98840, 102160, 112960, 143024, 158144, 163456, 178780, 197680, 204320, 225920, 286048, 316288, 357560, 395360, 408640, 450781, 572096, 715120, 790720, 817280, 901562, 1144192, 1430240, 1581440, 1803124, 2253905, 2860480, 3155467, 3606248, 4507810, 5720960, 6310934, 7212496, 9015620, 12621868, 14424992, 15777335, 18031240, 25243736, 28849984, 31554670, 36062480, 50487472, 57699968, 63109340, 72124960, 100974944, 126218680, 144249920, 201949888, 252437360, 288499840, 403899776, 504874720, 1009749440, 2019498880]

約数ペア:

[(1, 2019498880), (2, 1009749440), (4, 504874720), (5, 403899776), (7, 288499840), (8, 252437360), (10, 201949888), (14, 144249920), (16, 126218680), (20, 100974944), (28, 72124960), (32, 63109340), (35, 57699968), (40, 50487472), (56, 36062480), (64, 31554670), (70, 28849984), (80, 25243736), (112, 18031240), (128, 15777335), (140, 14424992), (160, 12621868), (224, 9015620), (280, 7212496), (320, 6310934), (353, 5720960), (448, 4507810), (560, 3606248), (640, 3155467), (706, 2860480), (896, 2253905), (1120, 1803124), (1277, 1581440), (1412, 1430240), (1765, 1144192), (2240, 901562), (2471, 817280), (2554, 790720), (2824, 715120), (3530, 572096), (4480, 450781), (4942, 408640), (5108, 395360), (5648, 357560), (6385, 316288), (7060, 286048), (8939, 225920), (9884, 204320), (10216, 197680), (11296, 178780), (12355, 163456), (12770, 158144), (14120, 143024), (17878, 112960), (19768, 102160), (20432, 98840), (22592, 89390), (24710, 81728), (25540, 79072), (28240, 71512), (35756, 56480), (39536, 51080), (40864, 49420), (44695, 45184)]