215878520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1$

素因数の和:166

約数の個数: 192

約数和(自身を含む): 595244160

約数和(自身を除く): 379365640

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 47, 52, 55, 65, 73, 88, 94, 104, 110, 121, 130, 143, 146, 188, 220, 235, 242, 260, 286, 292, 365, 376, 440, 470, 484, 517, 520, 572, 584, 605, 611, 715, 730, 803, 940, 949, 968, 1034, 1144, 1210, 1222, 1430, 1460, 1573, 1606, 1880, 1898, 2068, 2420, 2444, 2585, 2860, 2920, 3055, 3146, 3212, 3431, 3796, 4015, 4136, 4745, 4840, 4888, 5170, 5687, 5720, 6110, 6292, 6424, 6721, 6862, 7592, 7865, 8030, 8833, 9490, 10340, 10439, 11374, 12220, 12584, 13442, 13724, 15730, 16060, 17155, 17666, 18980, 20680, 20878, 22748, 24440, 26884, 27448, 28435, 31460, 32120, 33605, 34310, 35332, 37741, 37960, 41756, 44165, 44603, 45496, 52195, 53768, 56870, 62920, 67210, 68620, 70664, 73931, 75482, 83512, 88330, 89206, 104390, 113740, 114829, 134420, 137240, 147862, 150964, 176660, 178412, 188705, 208780, 223015, 227480, 229658, 268840, 295724, 301928, 353320, 356824, 369655, 377410, 415151, 417560, 446030, 459316, 490633, 574145, 591448, 739310, 754820, 830302, 892060, 918632, 981266, 1148290, 1478620, 1509640, 1660604, 1784120, 1962532, 2075755, 2296580, 2453165, 2957240, 3321208, 3925064, 4151510, 4593160, 4906330, 5396963, 8303020, 9812660, 10793926, 16606040, 19625320, 21587852, 26984815, 43175704, 53969630, 107939260, 215878520]

約数ペア:

[(1, 215878520), (2, 107939260), (4, 53969630), (5, 43175704), (8, 26984815), (10, 21587852), (11, 19625320), (13, 16606040), (20, 10793926), (22, 9812660), (26, 8303020), (40, 5396963), (44, 4906330), (47, 4593160), (52, 4151510), (55, 3925064), (65, 3321208), (73, 2957240), (88, 2453165), (94, 2296580), (104, 2075755), (110, 1962532), (121, 1784120), (130, 1660604), (143, 1509640), (146, 1478620), (188, 1148290), (220, 981266), (235, 918632), (242, 892060), (260, 830302), (286, 754820), (292, 739310), (365, 591448), (376, 574145), (440, 490633), (470, 459316), (484, 446030), (517, 417560), (520, 415151), (572, 377410), (584, 369655), (605, 356824), (611, 353320), (715, 301928), (730, 295724), (803, 268840), (940, 229658), (949, 227480), (968, 223015), (1034, 208780), (1144, 188705), (1210, 178412), (1222, 176660), (1430, 150964), (1460, 147862), (1573, 137240), (1606, 134420), (1880, 114829), (1898, 113740), (2068, 104390), (2420, 89206), (2444, 88330), (2585, 83512), (2860, 75482), (2920, 73931), (3055, 70664), (3146, 68620), (3212, 67210), (3431, 62920), (3796, 56870), (4015, 53768), (4136, 52195), (4745, 45496), (4840, 44603), (4888, 44165), (5170, 41756), (5687, 37960), (5720, 37741), (6110, 35332), (6292, 34310), (6424, 33605), (6721, 32120), (6862, 31460), (7592, 28435), (7865, 27448), (8030, 26884), (8833, 24440), (9490, 22748), (10340, 20878), (10439, 20680), (11374, 18980), (12220, 17666), (12584, 17155), (13442, 16060), (13724, 15730)]