406777280

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{229}}^1$

素因数の和:327

約数の個数: 224

約数和(自身を含む): 1217005440

約数和(自身を除く): 810228160

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 61, 64, 65, 70, 80, 91, 104, 112, 122, 130, 140, 160, 182, 208, 224, 229, 244, 260, 280, 305, 320, 364, 416, 427, 448, 455, 458, 488, 520, 560, 610, 728, 793, 832, 854, 910, 916, 976, 1040, 1120, 1145, 1220, 1456, 1586, 1603, 1708, 1820, 1832, 1952, 2080, 2135, 2240, 2290, 2440, 2912, 2977, 3172, 3206, 3416, 3640, 3664, 3904, 3965, 4160, 4270, 4580, 4880, 5551, 5824, 5954, 6344, 6412, 6832, 7280, 7328, 7930, 8015, 8540, 9160, 9760, 11102, 11908, 12688, 12824, 13664, 13969, 14560, 14656, 14885, 15860, 16030, 17080, 18320, 19520, 20839, 22204, 23816, 25376, 25648, 27328, 27755, 27938, 29120, 29770, 31720, 32060, 34160, 36640, 41678, 44408, 47632, 50752, 51296, 55510, 55876, 59540, 63440, 64120, 68320, 69845, 73280, 83356, 88816, 95264, 97783, 102592, 104195, 111020, 111752, 119080, 126880, 128240, 136640, 139690, 166712, 177632, 181597, 190528, 195566, 208390, 222040, 223504, 238160, 253760, 256480, 279380, 333424, 355264, 363194, 391132, 416780, 444080, 447008, 476320, 488915, 512960, 558760, 666848, 726388, 782264, 833560, 888160, 894016, 907985, 952640, 977830, 1117520, 1271179, 1333696, 1452776, 1564528, 1667120, 1776320, 1815970, 1955660, 2235040, 2542358, 2905552, 3129056, 3334240, 3631940, 3911320, 4470080, 5084716, 5811104, 6258112, 6355895, 6668480, 7263880, 7822640, 10169432, 11622208, 12711790, 14527760, 15645280, 20338864, 25423580, 29055520, 31290560, 40677728, 50847160, 58111040, 81355456, 101694320, 203388640, 406777280]

約数ペア:

[(1, 406777280), (2, 203388640), (4, 101694320), (5, 81355456), (7, 58111040), (8, 50847160), (10, 40677728), (13, 31290560), (14, 29055520), (16, 25423580), (20, 20338864), (26, 15645280), (28, 14527760), (32, 12711790), (35, 11622208), (40, 10169432), (52, 7822640), (56, 7263880), (61, 6668480), (64, 6355895), (65, 6258112), (70, 5811104), (80, 5084716), (91, 4470080), (104, 3911320), (112, 3631940), (122, 3334240), (130, 3129056), (140, 2905552), (160, 2542358), (182, 2235040), (208, 1955660), (224, 1815970), (229, 1776320), (244, 1667120), (260, 1564528), (280, 1452776), (305, 1333696), (320, 1271179), (364, 1117520), (416, 977830), (427, 952640), (448, 907985), (455, 894016), (458, 888160), (488, 833560), (520, 782264), (560, 726388), (610, 666848), (728, 558760), (793, 512960), (832, 488915), (854, 476320), (910, 447008), (916, 444080), (976, 416780), (1040, 391132), (1120, 363194), (1145, 355264), (1220, 333424), (1456, 279380), (1586, 256480), (1603, 253760), (1708, 238160), (1820, 223504), (1832, 222040), (1952, 208390), (2080, 195566), (2135, 190528), (2240, 181597), (2290, 177632), (2440, 166712), (2912, 139690), (2977, 136640), (3172, 128240), (3206, 126880), (3416, 119080), (3640, 111752), (3664, 111020), (3904, 104195), (3965, 102592), (4160, 97783), (4270, 95264), (4580, 88816), (4880, 83356), (5551, 73280), (5824, 69845), (5954, 68320), (6344, 64120), (6412, 63440), (6832, 59540), (7280, 55876), (7328, 55510), (7930, 51296), (8015, 50752), (8540, 47632), (9160, 44408), (9760, 41678), (11102, 36640), (11908, 34160), (12688, 32060), (12824, 31720), (13664, 29770), (13969, 29120), (14560, 27938), (14656, 27755), (14885, 27328), (15860, 25648), (16030, 25376), (17080, 23816), (18320, 22204), (19520, 20839)]