289329720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{1123}}^1$

素因数の和:1269

約数の個数: 128

約数和(自身を含む): 922579200

約数和(自身を除く): 633249480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 113, 114, 120, 152, 190, 226, 228, 285, 339, 380, 452, 456, 565, 570, 678, 760, 904, 1123, 1130, 1140, 1356, 1695, 2147, 2246, 2260, 2280, 2712, 3369, 3390, 4294, 4492, 4520, 5615, 6441, 6738, 6780, 8588, 8984, 10735, 11230, 12882, 13476, 13560, 16845, 17176, 21337, 21470, 22460, 25764, 26952, 32205, 33690, 42674, 42940, 44920, 51528, 64011, 64410, 67380, 85348, 85880, 106685, 126899, 128022, 128820, 134760, 170696, 213370, 253798, 256044, 257640, 320055, 380697, 426740, 507596, 512088, 634495, 640110, 761394, 853480, 1015192, 1268990, 1280220, 1522788, 1903485, 2411081, 2537980, 2560440, 3045576, 3806970, 4822162, 5075960, 7233243, 7613940, 9644324, 12055405, 14466486, 15227880, 19288648, 24110810, 28932972, 36166215, 48221620, 57865944, 72332430, 96443240, 144664860, 289329720]

約数ペア:

[(1, 289329720), (2, 144664860), (3, 96443240), (4, 72332430), (5, 57865944), (6, 48221620), (8, 36166215), (10, 28932972), (12, 24110810), (15, 19288648), (19, 15227880), (20, 14466486), (24, 12055405), (30, 9644324), (38, 7613940), (40, 7233243), (57, 5075960), (60, 4822162), (76, 3806970), (95, 3045576), (113, 2560440), (114, 2537980), (120, 2411081), (152, 1903485), (190, 1522788), (226, 1280220), (228, 1268990), (285, 1015192), (339, 853480), (380, 761394), (452, 640110), (456, 634495), (565, 512088), (570, 507596), (678, 426740), (760, 380697), (904, 320055), (1123, 257640), (1130, 256044), (1140, 253798), (1356, 213370), (1695, 170696), (2147, 134760), (2246, 128820), (2260, 128022), (2280, 126899), (2712, 106685), (3369, 85880), (3390, 85348), (4294, 67380), (4492, 64410), (4520, 64011), (5615, 51528), (6441, 44920), (6738, 42940), (6780, 42674), (8588, 33690), (8984, 32205), (10735, 26952), (11230, 25764), (12882, 22460), (13476, 21470), (13560, 21337), (16845, 17176)]