121912740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{829}}^1$

素因数の和:906

約数の個数: 144

約数和(自身を含む): 398798400

約数和(自身を除く): 276885660

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, 285, 342, 380, 387, 430, 516, 570, 645, 684, 774, 817, 829, 855, 860, 1140, 1290, 1548, 1634, 1658, 1710, 1935, 2451, 2487, 2580, 3268, 3316, 3420, 3870, 4085, 4145, 4902, 4974, 7353, 7461, 7740, 8170, 8290, 9804, 9948, 12255, 12435, 14706, 14922, 15751, 16340, 16580, 24510, 24870, 29412, 29844, 31502, 35647, 36765, 37305, 47253, 49020, 49740, 63004, 71294, 73530, 74610, 78755, 94506, 106941, 141759, 142588, 147060, 149220, 157510, 178235, 189012, 213882, 236265, 283518, 315020, 320823, 356470, 427764, 472530, 534705, 567036, 641646, 677293, 708795, 712940, 945060, 1069410, 1283292, 1354586, 1417590, 1604115, 2031879, 2138820, 2709172, 2835180, 3208230, 3386465, 4063758, 6095637, 6416460, 6772930, 8127516, 10159395, 12191274, 13545860, 20318790, 24382548, 30478185, 40637580, 60956370, 121912740]

約数ペア:

[(1, 121912740), (2, 60956370), (3, 40637580), (4, 30478185), (5, 24382548), (6, 20318790), (9, 13545860), (10, 12191274), (12, 10159395), (15, 8127516), (18, 6772930), (19, 6416460), (20, 6095637), (30, 4063758), (36, 3386465), (38, 3208230), (43, 2835180), (45, 2709172), (57, 2138820), (60, 2031879), (76, 1604115), (86, 1417590), (90, 1354586), (95, 1283292), (114, 1069410), (129, 945060), (171, 712940), (172, 708795), (180, 677293), (190, 641646), (215, 567036), (228, 534705), (258, 472530), (285, 427764), (342, 356470), (380, 320823), (387, 315020), (430, 283518), (516, 236265), (570, 213882), (645, 189012), (684, 178235), (774, 157510), (817, 149220), (829, 147060), (855, 142588), (860, 141759), (1140, 106941), (1290, 94506), (1548, 78755), (1634, 74610), (1658, 73530), (1710, 71294), (1935, 63004), (2451, 49740), (2487, 49020), (2580, 47253), (3268, 37305), (3316, 36765), (3420, 35647), (3870, 31502), (4085, 29844), (4145, 29412), (4902, 24870), (4974, 24510), (7353, 16580), (7461, 16340), (7740, 15751), (8170, 14922), (8290, 14706), (9804, 12435), (9948, 12255)]