31917840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{7823}}^1$

素因数の和:7856

約数の個数: 80

約数和(自身を含む): 104779008

約数和(自身を除く): 72861168

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 204, 240, 255, 272, 340, 408, 510, 680, 816, 1020, 1360, 2040, 4080, 7823, 15646, 23469, 31292, 39115, 46938, 62584, 78230, 93876, 117345, 125168, 132991, 156460, 187752, 234690, 265982, 312920, 375504, 398973, 469380, 531964, 625840, 664955, 797946, 938760, 1063928, 1329910, 1595892, 1877520, 1994865, 2127856, 2659820, 3191784, 3989730, 5319640, 6383568, 7979460, 10639280, 15958920, 31917840]

約数ペア:

[(1, 31917840), (2, 15958920), (3, 10639280), (4, 7979460), (5, 6383568), (6, 5319640), (8, 3989730), (10, 3191784), (12, 2659820), (15, 2127856), (16, 1994865), (17, 1877520), (20, 1595892), (24, 1329910), (30, 1063928), (34, 938760), (40, 797946), (48, 664955), (51, 625840), (60, 531964), (68, 469380), (80, 398973), (85, 375504), (102, 312920), (120, 265982), (136, 234690), (170, 187752), (204, 156460), (240, 132991), (255, 125168), (272, 117345), (340, 93876), (408, 78230), (510, 62584), (680, 46938), (816, 39115), (1020, 31292), (1360, 23469), (2040, 15646), (4080, 7823)]