21289572800

素因数分解:

$2^6\times 5^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{19949}}^1$

素因数の和:20023

約数の個数: 168

約数和(自身を含む): 56551068000

約数和(自身を除く): 35261495200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 29, 32, 40, 46, 50, 58, 64, 80, 92, 100, 115, 116, 145, 160, 184, 200, 230, 232, 290, 320, 368, 400, 460, 464, 575, 580, 667, 725, 736, 800, 920, 928, 1150, 1160, 1334, 1450, 1472, 1600, 1840, 1856, 2300, 2320, 2668, 2900, 3335, 3680, 4600, 4640, 5336, 5800, 6670, 7360, 9200, 9280, 10672, 11600, 13340, 16675, 18400, 19949, 21344, 23200, 26680, 33350, 36800, 39898, 42688, 46400, 53360, 66700, 79796, 99745, 106720, 133400, 159592, 199490, 213440, 266800, 319184, 398980, 458827, 498725, 533600, 578521, 638368, 797960, 917654, 997450, 1067200, 1157042, 1276736, 1595920, 1835308, 1994900, 2294135, 2314084, 2892605, 3191840, 3670616, 3989800, 4588270, 4628168, 5785210, 6383680, 7341232, 7979600, 9176540, 9256336, 11470675, 11570420, 13305983, 14463025, 14682464, 15959200, 18353080, 18512672, 22941350, 23140840, 26611966, 28926050, 29364928, 31918400, 36706160, 37025344, 45882700, 46281680, 53223932, 57852100, 66529915, 73412320, 91765400, 92563360, 106447864, 115704200, 133059830, 146824640, 183530800, 185126720, 212895728, 231408400, 266119660, 332649575, 367061600, 425791456, 462816800, 532239320, 665299150, 734123200, 851582912, 925633600, 1064478640, 1330598300, 2128957280, 2661196600, 4257914560, 5322393200, 10644786400, 21289572800]

約数ペア:

[(1, 21289572800), (2, 10644786400), (4, 5322393200), (5, 4257914560), (8, 2661196600), (10, 2128957280), (16, 1330598300), (20, 1064478640), (23, 925633600), (25, 851582912), (29, 734123200), (32, 665299150), (40, 532239320), (46, 462816800), (50, 425791456), (58, 367061600), (64, 332649575), (80, 266119660), (92, 231408400), (100, 212895728), (115, 185126720), (116, 183530800), (145, 146824640), (160, 133059830), (184, 115704200), (200, 106447864), (230, 92563360), (232, 91765400), (290, 73412320), (320, 66529915), (368, 57852100), (400, 53223932), (460, 46281680), (464, 45882700), (575, 37025344), (580, 36706160), (667, 31918400), (725, 29364928), (736, 28926050), (800, 26611966), (920, 23140840), (928, 22941350), (1150, 18512672), (1160, 18353080), (1334, 15959200), (1450, 14682464), (1472, 14463025), (1600, 13305983), (1840, 11570420), (1856, 11470675), (2300, 9256336), (2320, 9176540), (2668, 7979600), (2900, 7341232), (3335, 6383680), (3680, 5785210), (4600, 4628168), (4640, 4588270), (5336, 3989800), (5800, 3670616), (6670, 3191840), (7360, 2892605), (9200, 2314084), (9280, 2294135), (10672, 1994900), (11600, 1835308), (13340, 1595920), (16675, 1276736), (18400, 1157042), (19949, 1067200), (21344, 997450), (23200, 917654), (26680, 797960), (33350, 638368), (36800, 578521), (39898, 533600), (42688, 498725), (46400, 458827), (53360, 398980), (66700, 319184), (79796, 266800), (99745, 213440), (106720, 199490), (133400, 159592)]