215314960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{229}}^1$

素因数の和:345

約数の個数: 160

約数和(自身を含む): 607818240

約数和(自身を除く): 392503280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 73, 80, 92, 112, 115, 140, 146, 161, 184, 229, 230, 280, 292, 322, 365, 368, 458, 460, 511, 560, 584, 644, 730, 805, 916, 920, 1022, 1145, 1168, 1288, 1460, 1603, 1610, 1679, 1832, 1840, 2044, 2290, 2555, 2576, 2920, 3206, 3220, 3358, 3664, 4088, 4580, 5110, 5267, 5840, 6412, 6440, 6716, 8015, 8176, 8395, 9160, 10220, 10534, 11753, 12824, 12880, 13432, 16030, 16717, 16790, 18320, 20440, 21068, 23506, 25648, 26335, 26864, 32060, 33434, 33580, 36869, 40880, 42136, 47012, 52670, 58765, 64120, 66868, 67160, 73738, 83585, 84272, 94024, 105340, 117019, 117530, 128240, 133736, 134320, 147476, 167170, 184345, 188048, 210680, 234038, 235060, 267472, 294952, 334340, 368690, 384491, 421360, 468076, 470120, 585095, 589904, 668680, 737380, 768982, 936152, 940240, 1170190, 1337360, 1474760, 1537964, 1872304, 1922455, 2340380, 2691437, 2949520, 3075928, 3844910, 4680760, 5382874, 6151856, 7689820, 9361520, 10765748, 13457185, 15379640, 21531496, 26914370, 30759280, 43062992, 53828740, 107657480, 215314960]

約数ペア:

[(1, 215314960), (2, 107657480), (4, 53828740), (5, 43062992), (7, 30759280), (8, 26914370), (10, 21531496), (14, 15379640), (16, 13457185), (20, 10765748), (23, 9361520), (28, 7689820), (35, 6151856), (40, 5382874), (46, 4680760), (56, 3844910), (70, 3075928), (73, 2949520), (80, 2691437), (92, 2340380), (112, 1922455), (115, 1872304), (140, 1537964), (146, 1474760), (161, 1337360), (184, 1170190), (229, 940240), (230, 936152), (280, 768982), (292, 737380), (322, 668680), (365, 589904), (368, 585095), (458, 470120), (460, 468076), (511, 421360), (560, 384491), (584, 368690), (644, 334340), (730, 294952), (805, 267472), (916, 235060), (920, 234038), (1022, 210680), (1145, 188048), (1168, 184345), (1288, 167170), (1460, 147476), (1603, 134320), (1610, 133736), (1679, 128240), (1832, 117530), (1840, 117019), (2044, 105340), (2290, 94024), (2555, 84272), (2576, 83585), (2920, 73738), (3206, 67160), (3220, 66868), (3358, 64120), (3664, 58765), (4088, 52670), (4580, 47012), (5110, 42136), (5267, 40880), (5840, 36869), (6412, 33580), (6440, 33434), (6716, 32060), (8015, 26864), (8176, 26335), (8395, 25648), (9160, 23506), (10220, 21068), (10534, 20440), (11753, 18320), (12824, 16790), (12880, 16717), (13432, 16030)]