38676780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{263}}^1$

素因数の和:340

約数の個数: 144

約数和(自身を含む): 126846720

約数和(自身を除く): 88169940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 43, 45, 57, 60, 76, 86, 90, 95, 114, 129, 171, 172, 180, 190, 215, 228, 258, 263, 285, 342, 380, 387, 430, 516, 526, 570, 645, 684, 774, 789, 817, 855, 860, 1052, 1140, 1290, 1315, 1548, 1578, 1634, 1710, 1935, 2367, 2451, 2580, 2630, 3156, 3268, 3420, 3870, 3945, 4085, 4734, 4902, 4997, 5260, 7353, 7740, 7890, 8170, 9468, 9804, 9994, 11309, 11835, 12255, 14706, 14991, 15780, 16340, 19988, 22618, 23670, 24510, 24985, 29412, 29982, 33927, 36765, 44973, 45236, 47340, 49020, 49970, 56545, 59964, 67854, 73530, 74955, 89946, 99940, 101781, 113090, 135708, 147060, 149910, 169635, 179892, 203562, 214871, 224865, 226180, 299820, 339270, 407124, 429742, 449730, 508905, 644613, 678540, 859484, 899460, 1017810, 1074355, 1289226, 1933839, 2035620, 2148710, 2578452, 3223065, 3867678, 4297420, 6446130, 7735356, 9669195, 12892260, 19338390, 38676780]

約数ペア:

[(1, 38676780), (2, 19338390), (3, 12892260), (4, 9669195), (5, 7735356), (6, 6446130), (9, 4297420), (10, 3867678), (12, 3223065), (15, 2578452), (18, 2148710), (19, 2035620), (20, 1933839), (30, 1289226), (36, 1074355), (38, 1017810), (43, 899460), (45, 859484), (57, 678540), (60, 644613), (76, 508905), (86, 449730), (90, 429742), (95, 407124), (114, 339270), (129, 299820), (171, 226180), (172, 224865), (180, 214871), (190, 203562), (215, 179892), (228, 169635), (258, 149910), (263, 147060), (285, 135708), (342, 113090), (380, 101781), (387, 99940), (430, 89946), (516, 74955), (526, 73530), (570, 67854), (645, 59964), (684, 56545), (774, 49970), (789, 49020), (817, 47340), (855, 45236), (860, 44973), (1052, 36765), (1140, 33927), (1290, 29982), (1315, 29412), (1548, 24985), (1578, 24510), (1634, 23670), (1710, 22618), (1935, 19988), (2367, 16340), (2451, 15780), (2580, 14991), (2630, 14706), (3156, 12255), (3268, 11835), (3420, 11309), (3870, 9994), (3945, 9804), (4085, 9468), (4734, 8170), (4902, 7890), (4997, 7740), (5260, 7353)]