642583760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1447}}^1$

素因数の和:1541

約数の個数: 160

約数和(自身を含む): 1870213632

約数和(自身を除く): 1227629872

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 61, 65, 70, 80, 91, 104, 112, 122, 130, 140, 182, 208, 244, 260, 280, 305, 364, 427, 455, 488, 520, 560, 610, 728, 793, 854, 910, 976, 1040, 1220, 1447, 1456, 1586, 1708, 1820, 2135, 2440, 2894, 3172, 3416, 3640, 3965, 4270, 4880, 5551, 5788, 6344, 6832, 7235, 7280, 7930, 8540, 10129, 11102, 11576, 12688, 14470, 15860, 17080, 18811, 20258, 22204, 23152, 27755, 28940, 31720, 34160, 37622, 40516, 44408, 50645, 55510, 57880, 63440, 75244, 81032, 88267, 88816, 94055, 101290, 111020, 115760, 131677, 150488, 162064, 176534, 188110, 202580, 222040, 263354, 300976, 353068, 376220, 405160, 441335, 444080, 526708, 617869, 658385, 706136, 752440, 810320, 882670, 1053416, 1147471, 1235738, 1316770, 1412272, 1504880, 1765340, 2106832, 2294942, 2471476, 2633540, 3089345, 3530680, 4589884, 4942952, 5267080, 5737355, 6178690, 7061360, 8032297, 9179768, 9885904, 10534160, 11474710, 12357380, 16064594, 18359536, 22949420, 24714760, 32129188, 40161485, 45898840, 49429520, 64258376, 80322970, 91797680, 128516752, 160645940, 321291880, 642583760]

約数ペア:

[(1, 642583760), (2, 321291880), (4, 160645940), (5, 128516752), (7, 91797680), (8, 80322970), (10, 64258376), (13, 49429520), (14, 45898840), (16, 40161485), (20, 32129188), (26, 24714760), (28, 22949420), (35, 18359536), (40, 16064594), (52, 12357380), (56, 11474710), (61, 10534160), (65, 9885904), (70, 9179768), (80, 8032297), (91, 7061360), (104, 6178690), (112, 5737355), (122, 5267080), (130, 4942952), (140, 4589884), (182, 3530680), (208, 3089345), (244, 2633540), (260, 2471476), (280, 2294942), (305, 2106832), (364, 1765340), (427, 1504880), (455, 1412272), (488, 1316770), (520, 1235738), (560, 1147471), (610, 1053416), (728, 882670), (793, 810320), (854, 752440), (910, 706136), (976, 658385), (1040, 617869), (1220, 526708), (1447, 444080), (1456, 441335), (1586, 405160), (1708, 376220), (1820, 353068), (2135, 300976), (2440, 263354), (2894, 222040), (3172, 202580), (3416, 188110), (3640, 176534), (3965, 162064), (4270, 150488), (4880, 131677), (5551, 115760), (5788, 111020), (6344, 101290), (6832, 94055), (7235, 88816), (7280, 88267), (7930, 81032), (8540, 75244), (10129, 63440), (11102, 57880), (11576, 55510), (12688, 50645), (14470, 44408), (15860, 40516), (17080, 37622), (18811, 34160), (20258, 31720), (22204, 28940), (23152, 27755)]