178779920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^3\times {\mathrm{23}}^1\times {\mathrm{73}}^1$

素因数の和:142

約数の個数: 160

約数和(自身を含む): 483611904

約数和(自身を除く): 304831984

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 40, 44, 46, 55, 73, 80, 88, 92, 110, 115, 121, 146, 176, 184, 220, 230, 242, 253, 292, 365, 368, 440, 460, 484, 506, 584, 605, 730, 803, 880, 920, 968, 1012, 1168, 1210, 1265, 1331, 1460, 1606, 1679, 1840, 1936, 2024, 2420, 2530, 2662, 2783, 2920, 3212, 3358, 4015, 4048, 4840, 5060, 5324, 5566, 5840, 6424, 6655, 6716, 8030, 8395, 8833, 9680, 10120, 10648, 11132, 12848, 13310, 13432, 13915, 16060, 16790, 17666, 18469, 20240, 21296, 22264, 26620, 26864, 27830, 30613, 32120, 33580, 35332, 36938, 44165, 44528, 53240, 55660, 61226, 64240, 67160, 70664, 73876, 88330, 92345, 97163, 106480, 111320, 122452, 134320, 141328, 147752, 153065, 176660, 184690, 194326, 203159, 222640, 244904, 295504, 306130, 353320, 369380, 388652, 406318, 485815, 489808, 612260, 706640, 738760, 777304, 812636, 971630, 1015795, 1224520, 1477520, 1554608, 1625272, 1943260, 2031590, 2234749, 2449040, 3250544, 3886520, 4063180, 4469498, 7773040, 8126360, 8938996, 11173745, 16252720, 17877992, 22347490, 35755984, 44694980, 89389960, 178779920]

約数ペア:

[(1, 178779920), (2, 89389960), (4, 44694980), (5, 35755984), (8, 22347490), (10, 17877992), (11, 16252720), (16, 11173745), (20, 8938996), (22, 8126360), (23, 7773040), (40, 4469498), (44, 4063180), (46, 3886520), (55, 3250544), (73, 2449040), (80, 2234749), (88, 2031590), (92, 1943260), (110, 1625272), (115, 1554608), (121, 1477520), (146, 1224520), (176, 1015795), (184, 971630), (220, 812636), (230, 777304), (242, 738760), (253, 706640), (292, 612260), (365, 489808), (368, 485815), (440, 406318), (460, 388652), (484, 369380), (506, 353320), (584, 306130), (605, 295504), (730, 244904), (803, 222640), (880, 203159), (920, 194326), (968, 184690), (1012, 176660), (1168, 153065), (1210, 147752), (1265, 141328), (1331, 134320), (1460, 122452), (1606, 111320), (1679, 106480), (1840, 97163), (1936, 92345), (2024, 88330), (2420, 73876), (2530, 70664), (2662, 67160), (2783, 64240), (2920, 61226), (3212, 55660), (3358, 53240), (4015, 44528), (4048, 44165), (4840, 36938), (5060, 35332), (5324, 33580), (5566, 32120), (5840, 30613), (6424, 27830), (6655, 26864), (6716, 26620), (8030, 22264), (8395, 21296), (8833, 20240), (9680, 18469), (10120, 17666), (10648, 16790), (11132, 16060), (12848, 13915), (13310, 13432)]