64566320

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{181}}^1$

素因数の和:228

約数の個数: 160

約数和(自身を含む): 189571200

約数和(自身を除く): 125004880

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 49, 52, 56, 65, 70, 80, 91, 98, 104, 112, 130, 140, 181, 182, 196, 208, 245, 260, 280, 343, 362, 364, 392, 455, 490, 520, 560, 637, 686, 724, 728, 784, 905, 910, 980, 1040, 1267, 1274, 1372, 1448, 1456, 1715, 1810, 1820, 1960, 2353, 2534, 2548, 2744, 2896, 3185, 3430, 3620, 3640, 3920, 4459, 4706, 5068, 5096, 5488, 6335, 6370, 6860, 7240, 7280, 8869, 8918, 9412, 10136, 10192, 11765, 12670, 12740, 13720, 14480, 16471, 17738, 17836, 18824, 20272, 22295, 23530, 25340, 25480, 27440, 32942, 35476, 35672, 37648, 44345, 44590, 47060, 50680, 50960, 62083, 65884, 70952, 71344, 82355, 88690, 89180, 94120, 101360, 115297, 124166, 131768, 141904, 164710, 177380, 178360, 188240, 230594, 248332, 263536, 310415, 329420, 354760, 356720, 461188, 496664, 576485, 620830, 658840, 709520, 807079, 922376, 993328, 1152970, 1241660, 1317680, 1614158, 1844752, 2305940, 2483320, 3228316, 4035395, 4611880, 4966640, 6456632, 8070790, 9223760, 12913264, 16141580, 32283160, 64566320]

約数ペア:

[(1, 64566320), (2, 32283160), (4, 16141580), (5, 12913264), (7, 9223760), (8, 8070790), (10, 6456632), (13, 4966640), (14, 4611880), (16, 4035395), (20, 3228316), (26, 2483320), (28, 2305940), (35, 1844752), (40, 1614158), (49, 1317680), (52, 1241660), (56, 1152970), (65, 993328), (70, 922376), (80, 807079), (91, 709520), (98, 658840), (104, 620830), (112, 576485), (130, 496664), (140, 461188), (181, 356720), (182, 354760), (196, 329420), (208, 310415), (245, 263536), (260, 248332), (280, 230594), (343, 188240), (362, 178360), (364, 177380), (392, 164710), (455, 141904), (490, 131768), (520, 124166), (560, 115297), (637, 101360), (686, 94120), (724, 89180), (728, 88690), (784, 82355), (905, 71344), (910, 70952), (980, 65884), (1040, 62083), (1267, 50960), (1274, 50680), (1372, 47060), (1448, 44590), (1456, 44345), (1715, 37648), (1810, 35672), (1820, 35476), (1960, 32942), (2353, 27440), (2534, 25480), (2548, 25340), (2744, 23530), (2896, 22295), (3185, 20272), (3430, 18824), (3620, 17836), (3640, 17738), (3920, 16471), (4459, 14480), (4706, 13720), (5068, 12740), (5096, 12670), (5488, 11765), (6335, 10192), (6370, 10136), (6860, 9412), (7240, 8918), (7280, 8869)]