7256340

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{443}}^1$

素因数の和:478

約数の個数: 144

約数和(自身を含む): 27151488

約数和(自身を除く): 19895148

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 52, 60, 63, 65, 70, 78, 84, 90, 91, 105, 117, 126, 130, 140, 156, 180, 182, 195, 210, 234, 252, 260, 273, 315, 364, 390, 420, 443, 455, 468, 546, 585, 630, 780, 819, 886, 910, 1092, 1170, 1260, 1329, 1365, 1638, 1772, 1820, 2215, 2340, 2658, 2730, 3101, 3276, 3987, 4095, 4430, 5316, 5460, 5759, 6202, 6645, 7974, 8190, 8860, 9303, 11518, 12404, 13290, 15505, 15948, 16380, 17277, 18606, 19935, 23036, 26580, 27909, 28795, 31010, 34554, 37212, 39870, 40313, 46515, 51831, 55818, 57590, 62020, 69108, 79740, 80626, 86385, 93030, 103662, 111636, 115180, 120939, 139545, 161252, 172770, 186060, 201565, 207324, 241878, 259155, 279090, 345540, 362817, 403130, 483756, 518310, 558180, 604695, 725634, 806260, 1036620, 1209390, 1451268, 1814085, 2418780, 3628170, 7256340]

約数ペア:

[(1, 7256340), (2, 3628170), (3, 2418780), (4, 1814085), (5, 1451268), (6, 1209390), (7, 1036620), (9, 806260), (10, 725634), (12, 604695), (13, 558180), (14, 518310), (15, 483756), (18, 403130), (20, 362817), (21, 345540), (26, 279090), (28, 259155), (30, 241878), (35, 207324), (36, 201565), (39, 186060), (42, 172770), (45, 161252), (52, 139545), (60, 120939), (63, 115180), (65, 111636), (70, 103662), (78, 93030), (84, 86385), (90, 80626), (91, 79740), (105, 69108), (117, 62020), (126, 57590), (130, 55818), (140, 51831), (156, 46515), (180, 40313), (182, 39870), (195, 37212), (210, 34554), (234, 31010), (252, 28795), (260, 27909), (273, 26580), (315, 23036), (364, 19935), (390, 18606), (420, 17277), (443, 16380), (455, 15948), (468, 15505), (546, 13290), (585, 12404), (630, 11518), (780, 9303), (819, 8860), (886, 8190), (910, 7974), (1092, 6645), (1170, 6202), (1260, 5759), (1329, 5460), (1365, 5316), (1638, 4430), (1772, 4095), (1820, 3987), (2215, 3276), (2340, 3101), (2658, 2730)]