81807040

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{619}}^1$

素因数の和:702

約数の個数: 112

約数和(自身を含む): 226771200

約数和(自身を除く): 144964160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 59, 64, 70, 80, 112, 118, 140, 160, 224, 236, 280, 295, 320, 413, 448, 472, 560, 590, 619, 826, 944, 1120, 1180, 1238, 1652, 1888, 2065, 2240, 2360, 2476, 3095, 3304, 3776, 4130, 4333, 4720, 4952, 6190, 6608, 8260, 8666, 9440, 9904, 12380, 13216, 16520, 17332, 18880, 19808, 21665, 24760, 26432, 33040, 34664, 36521, 39616, 43330, 49520, 66080, 69328, 73042, 86660, 99040, 132160, 138656, 146084, 173320, 182605, 198080, 255647, 277312, 292168, 346640, 365210, 511294, 584336, 693280, 730420, 1022588, 1168672, 1278235, 1386560, 1460840, 2045176, 2337344, 2556470, 2921680, 4090352, 5112940, 5843360, 8180704, 10225880, 11686720, 16361408, 20451760, 40903520, 81807040]

約数ペア:

[(1, 81807040), (2, 40903520), (4, 20451760), (5, 16361408), (7, 11686720), (8, 10225880), (10, 8180704), (14, 5843360), (16, 5112940), (20, 4090352), (28, 2921680), (32, 2556470), (35, 2337344), (40, 2045176), (56, 1460840), (59, 1386560), (64, 1278235), (70, 1168672), (80, 1022588), (112, 730420), (118, 693280), (140, 584336), (160, 511294), (224, 365210), (236, 346640), (280, 292168), (295, 277312), (320, 255647), (413, 198080), (448, 182605), (472, 173320), (560, 146084), (590, 138656), (619, 132160), (826, 99040), (944, 86660), (1120, 73042), (1180, 69328), (1238, 66080), (1652, 49520), (1888, 43330), (2065, 39616), (2240, 36521), (2360, 34664), (2476, 33040), (3095, 26432), (3304, 24760), (3776, 21665), (4130, 19808), (4333, 18880), (4720, 17332), (4952, 16520), (6190, 13216), (6608, 12380), (8260, 9904), (8666, 9440)]