209420280

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1801}}^1$

素因数の和:1854

約数の個数: 192

約数和(自身を含む): 759002400

約数和(自身を除く): 549582120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 19, 20, 24, 30, 34, 36, 38, 40, 45, 51, 57, 60, 68, 72, 76, 85, 90, 95, 102, 114, 120, 136, 152, 153, 170, 171, 180, 190, 204, 228, 255, 285, 306, 323, 340, 342, 360, 380, 408, 456, 510, 570, 612, 646, 680, 684, 760, 765, 855, 969, 1020, 1140, 1224, 1292, 1368, 1530, 1615, 1710, 1801, 1938, 2040, 2280, 2584, 2907, 3060, 3230, 3420, 3602, 3876, 4845, 5403, 5814, 6120, 6460, 6840, 7204, 7752, 9005, 9690, 10806, 11628, 12920, 14408, 14535, 16209, 18010, 19380, 21612, 23256, 27015, 29070, 30617, 32418, 34219, 36020, 38760, 43224, 54030, 58140, 61234, 64836, 68438, 72040, 81045, 91851, 102657, 108060, 116280, 122468, 129672, 136876, 153085, 162090, 171095, 183702, 205314, 216120, 244936, 273752, 275553, 306170, 307971, 324180, 342190, 367404, 410628, 459255, 513285, 551106, 581723, 612340, 615942, 648360, 684380, 734808, 821256, 918510, 1026570, 1102212, 1163446, 1224680, 1231884, 1368760, 1377765, 1539855, 1745169, 1837020, 2053140, 2204424, 2326892, 2463768, 2755530, 2908615, 3079710, 3490338, 3674040, 4106280, 4653784, 5235507, 5511060, 5817230, 6159420, 6980676, 8725845, 10471014, 11022120, 11634460, 12318840, 13961352, 17451690, 20942028, 23268920, 26177535, 34903380, 41884056, 52355070, 69806760, 104710140, 209420280]

約数ペア:

[(1, 209420280), (2, 104710140), (3, 69806760), (4, 52355070), (5, 41884056), (6, 34903380), (8, 26177535), (9, 23268920), (10, 20942028), (12, 17451690), (15, 13961352), (17, 12318840), (18, 11634460), (19, 11022120), (20, 10471014), (24, 8725845), (30, 6980676), (34, 6159420), (36, 5817230), (38, 5511060), (40, 5235507), (45, 4653784), (51, 4106280), (57, 3674040), (60, 3490338), (68, 3079710), (72, 2908615), (76, 2755530), (85, 2463768), (90, 2326892), (95, 2204424), (102, 2053140), (114, 1837020), (120, 1745169), (136, 1539855), (152, 1377765), (153, 1368760), (170, 1231884), (171, 1224680), (180, 1163446), (190, 1102212), (204, 1026570), (228, 918510), (255, 821256), (285, 734808), (306, 684380), (323, 648360), (340, 615942), (342, 612340), (360, 581723), (380, 551106), (408, 513285), (456, 459255), (510, 410628), (570, 367404), (612, 342190), (646, 324180), (680, 307971), (684, 306170), (760, 275553), (765, 273752), (855, 244936), (969, 216120), (1020, 205314), (1140, 183702), (1224, 171095), (1292, 162090), (1368, 153085), (1530, 136876), (1615, 129672), (1710, 122468), (1801, 116280), (1938, 108060), (2040, 102657), (2280, 91851), (2584, 81045), (2907, 72040), (3060, 68438), (3230, 64836), (3420, 61234), (3602, 58140), (3876, 54030), (4845, 43224), (5403, 38760), (5814, 36020), (6120, 34219), (6460, 32418), (6840, 30617), (7204, 29070), (7752, 27015), (9005, 23256), (9690, 21612), (10806, 19380), (11628, 18010), (12920, 16209), (14408, 14535)]