89389960

素因数分解:

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

素因数の和:140

約数の個数: 128

約数和(自身を含む): 234005760

約数和(自身を除く): 144615800

約数列:

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

約数ペア:

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