71257680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{331}}^1$

素因数の和:386

約数の個数: 240

約数和(自身を含む): 269732736

約数和(自身を除く): 198475056

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 23, 24, 26, 30, 36, 39, 40, 45, 46, 48, 52, 60, 65, 69, 72, 78, 80, 90, 92, 104, 115, 117, 120, 130, 138, 144, 156, 180, 184, 195, 207, 208, 230, 234, 240, 260, 276, 299, 312, 331, 345, 360, 368, 390, 414, 460, 468, 520, 552, 585, 598, 624, 662, 690, 720, 780, 828, 897, 920, 936, 993, 1035, 1040, 1104, 1170, 1196, 1324, 1380, 1495, 1560, 1655, 1656, 1794, 1840, 1872, 1986, 2070, 2340, 2392, 2648, 2691, 2760, 2979, 2990, 3120, 3310, 3312, 3588, 3972, 4140, 4303, 4485, 4680, 4784, 4965, 5296, 5382, 5520, 5958, 5980, 6620, 7176, 7613, 7944, 8280, 8606, 8970, 9360, 9930, 10764, 11916, 11960, 12909, 13240, 13455, 14352, 14895, 15226, 15888, 16560, 17212, 17940, 19860, 21515, 21528, 22839, 23832, 23920, 25818, 26480, 26910, 29790, 30452, 34424, 35880, 38065, 38727, 39720, 43030, 43056, 45678, 47664, 51636, 53820, 59580, 60904, 64545, 68517, 68848, 71760, 76130, 77454, 79440, 86060, 91356, 98969, 103272, 107640, 114195, 119160, 121808, 129090, 137034, 152260, 154908, 172120, 182712, 193635, 197938, 206544, 215280, 228390, 238320, 258180, 274068, 296907, 304520, 309816, 342585, 344240, 365424, 387270, 395876, 456780, 494845, 516360, 548136, 593814, 609040, 619632, 685170, 774540, 791752, 890721, 913560, 989690, 1032720, 1096272, 1187628, 1370340, 1484535, 1549080, 1583504, 1781442, 1827120, 1979380, 2375256, 2740680, 2969070, 3098160, 3562884, 3958760, 4453605, 4750512, 5481360, 5938140, 7125768, 7917520, 8907210, 11876280, 14251536, 17814420, 23752560, 35628840, 71257680]

約数ペア:

[(1, 71257680), (2, 35628840), (3, 23752560), (4, 17814420), (5, 14251536), (6, 11876280), (8, 8907210), (9, 7917520), (10, 7125768), (12, 5938140), (13, 5481360), (15, 4750512), (16, 4453605), (18, 3958760), (20, 3562884), (23, 3098160), (24, 2969070), (26, 2740680), (30, 2375256), (36, 1979380), (39, 1827120), (40, 1781442), (45, 1583504), (46, 1549080), (48, 1484535), (52, 1370340), (60, 1187628), (65, 1096272), (69, 1032720), (72, 989690), (78, 913560), (80, 890721), (90, 791752), (92, 774540), (104, 685170), (115, 619632), (117, 609040), (120, 593814), (130, 548136), (138, 516360), (144, 494845), (156, 456780), (180, 395876), (184, 387270), (195, 365424), (207, 344240), (208, 342585), (230, 309816), (234, 304520), (240, 296907), (260, 274068), (276, 258180), (299, 238320), (312, 228390), (331, 215280), (345, 206544), (360, 197938), (368, 193635), (390, 182712), (414, 172120), (460, 154908), (468, 152260), (520, 137034), (552, 129090), (585, 121808), (598, 119160), (624, 114195), (662, 107640), (690, 103272), (720, 98969), (780, 91356), (828, 86060), (897, 79440), (920, 77454), (936, 76130), (993, 71760), (1035, 68848), (1040, 68517), (1104, 64545), (1170, 60904), (1196, 59580), (1324, 53820), (1380, 51636), (1495, 47664), (1560, 45678), (1655, 43056), (1656, 43030), (1794, 39720), (1840, 38727), (1872, 38065), (1986, 35880), (2070, 34424), (2340, 30452), (2392, 29790), (2648, 26910), (2691, 26480), (2760, 25818), (2979, 23920), (2990, 23832), (3120, 22839), (3310, 21528), (3312, 21515), (3588, 19860), (3972, 17940), (4140, 17212), (4303, 16560), (4485, 15888), (4680, 15226), (4784, 14895), (4965, 14352), (5296, 13455), (5382, 13240), (5520, 12909), (5958, 11960), (5980, 11916), (6620, 10764), (7176, 9930), (7613, 9360), (7944, 8970), (8280, 8606)]