215707920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{367}}^1$

素因数の和:493

約数の個数: 160

約数和(自身を含む): 700907520

約数和(自身を除く): 485199600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 79, 80, 93, 120, 124, 155, 158, 186, 237, 240, 248, 310, 316, 367, 372, 395, 465, 474, 496, 620, 632, 734, 744, 790, 930, 948, 1101, 1185, 1240, 1264, 1468, 1488, 1580, 1835, 1860, 1896, 2202, 2370, 2449, 2480, 2936, 3160, 3670, 3720, 3792, 4404, 4740, 4898, 5505, 5872, 6320, 7340, 7347, 7440, 8808, 9480, 9796, 11010, 11377, 12245, 14680, 14694, 17616, 18960, 19592, 22020, 22754, 24490, 28993, 29360, 29388, 34131, 36735, 39184, 44040, 45508, 48980, 56885, 57986, 58776, 68262, 73470, 86979, 88080, 91016, 97960, 113770, 115972, 117552, 136524, 144965, 146940, 170655, 173958, 182032, 195920, 227540, 231944, 273048, 289930, 293880, 341310, 347916, 434895, 455080, 463888, 546096, 579860, 587760, 682620, 695832, 869790, 898783, 910160, 1159720, 1365240, 1391664, 1739580, 1797566, 2319440, 2696349, 2730480, 3479160, 3595132, 4493915, 5392698, 6958320, 7190264, 8987830, 10785396, 13481745, 14380528, 17975660, 21570792, 26963490, 35951320, 43141584, 53926980, 71902640, 107853960, 215707920]

約数ペア:

[(1, 215707920), (2, 107853960), (3, 71902640), (4, 53926980), (5, 43141584), (6, 35951320), (8, 26963490), (10, 21570792), (12, 17975660), (15, 14380528), (16, 13481745), (20, 10785396), (24, 8987830), (30, 7190264), (31, 6958320), (40, 5392698), (48, 4493915), (60, 3595132), (62, 3479160), (79, 2730480), (80, 2696349), (93, 2319440), (120, 1797566), (124, 1739580), (155, 1391664), (158, 1365240), (186, 1159720), (237, 910160), (240, 898783), (248, 869790), (310, 695832), (316, 682620), (367, 587760), (372, 579860), (395, 546096), (465, 463888), (474, 455080), (496, 434895), (620, 347916), (632, 341310), (734, 293880), (744, 289930), (790, 273048), (930, 231944), (948, 227540), (1101, 195920), (1185, 182032), (1240, 173958), (1264, 170655), (1468, 146940), (1488, 144965), (1580, 136524), (1835, 117552), (1860, 115972), (1896, 113770), (2202, 97960), (2370, 91016), (2449, 88080), (2480, 86979), (2936, 73470), (3160, 68262), (3670, 58776), (3720, 57986), (3792, 56885), (4404, 48980), (4740, 45508), (4898, 44040), (5505, 39184), (5872, 36735), (6320, 34131), (7340, 29388), (7347, 29360), (7440, 28993), (8808, 24490), (9480, 22754), (9796, 22020), (11010, 19592), (11377, 18960), (12245, 17616), (14680, 14694)]