4619467520

素因数分解:

$2^8\times 5^1\times {\mathrm{127}}^1\times {\mathrm{157}}^1\times {\mathrm{181}}^1$

素因数の和:486

約数の個数: 144

約数和(自身を含む): 11285234688

約数和(自身を除く): 6665767168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 157, 160, 181, 254, 256, 314, 320, 362, 508, 628, 635, 640, 724, 785, 905, 1016, 1256, 1270, 1280, 1448, 1570, 1810, 2032, 2512, 2540, 2896, 3140, 3620, 4064, 5024, 5080, 5792, 6280, 7240, 8128, 10048, 10160, 11584, 12560, 14480, 16256, 19939, 20096, 20320, 22987, 23168, 25120, 28417, 28960, 32512, 39878, 40192, 40640, 45974, 46336, 50240, 56834, 57920, 79756, 81280, 91948, 99695, 100480, 113668, 114935, 115840, 142085, 159512, 162560, 183896, 199390, 200960, 227336, 229870, 231680, 284170, 319024, 367792, 398780, 454672, 459740, 568340, 638048, 735584, 797560, 909344, 919480, 1136680, 1276096, 1471168, 1595120, 1818688, 1838960, 2273360, 2552192, 2942336, 3190240, 3608959, 3637376, 3677920, 4546720, 5104384, 5884672, 6380480, 7217918, 7274752, 7355840, 9093440, 12760960, 14435836, 14711680, 18044795, 18186880, 25521920, 28871672, 29423360, 36089590, 36373760, 57743344, 72179180, 115486688, 144358360, 230973376, 288716720, 461946752, 577433440, 923893504, 1154866880, 2309733760, 4619467520]

約数ペア:

[(1, 4619467520), (2, 2309733760), (4, 1154866880), (5, 923893504), (8, 577433440), (10, 461946752), (16, 288716720), (20, 230973376), (32, 144358360), (40, 115486688), (64, 72179180), (80, 57743344), (127, 36373760), (128, 36089590), (157, 29423360), (160, 28871672), (181, 25521920), (254, 18186880), (256, 18044795), (314, 14711680), (320, 14435836), (362, 12760960), (508, 9093440), (628, 7355840), (635, 7274752), (640, 7217918), (724, 6380480), (785, 5884672), (905, 5104384), (1016, 4546720), (1256, 3677920), (1270, 3637376), (1280, 3608959), (1448, 3190240), (1570, 2942336), (1810, 2552192), (2032, 2273360), (2512, 1838960), (2540, 1818688), (2896, 1595120), (3140, 1471168), (3620, 1276096), (4064, 1136680), (5024, 919480), (5080, 909344), (5792, 797560), (6280, 735584), (7240, 638048), (8128, 568340), (10048, 459740), (10160, 454672), (11584, 398780), (12560, 367792), (14480, 319024), (16256, 284170), (19939, 231680), (20096, 229870), (20320, 227336), (22987, 200960), (23168, 199390), (25120, 183896), (28417, 162560), (28960, 159512), (32512, 142085), (39878, 115840), (40192, 114935), (40640, 113668), (45974, 100480), (46336, 99695), (50240, 91948), (56834, 81280), (57920, 79756)]