28341180

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{271}}^1$

素因数の和:376

約数の個数: 144

約数和(自身を含む): 99800064

約数和(自身を除く): 71458884

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 83, 84, 90, 105, 126, 140, 166, 180, 210, 249, 252, 271, 315, 332, 415, 420, 498, 542, 581, 630, 747, 813, 830, 996, 1084, 1162, 1245, 1260, 1355, 1494, 1626, 1660, 1743, 1897, 2324, 2439, 2490, 2710, 2905, 2988, 3252, 3486, 3735, 3794, 4065, 4878, 4980, 5229, 5420, 5691, 5810, 6972, 7470, 7588, 8130, 8715, 9485, 9756, 10458, 11382, 11620, 12195, 14940, 16260, 17073, 17430, 18970, 20916, 22493, 22764, 24390, 26145, 28455, 34146, 34860, 37940, 44986, 48780, 52290, 56910, 67479, 68292, 85365, 89972, 104580, 112465, 113820, 134958, 157451, 170730, 202437, 224930, 269916, 314902, 337395, 341460, 404874, 449860, 472353, 629804, 674790, 787255, 809748, 944706, 1012185, 1349580, 1417059, 1574510, 1889412, 2024370, 2361765, 2834118, 3149020, 4048740, 4723530, 5668236, 7085295, 9447060, 14170590, 28341180]

約数ペア:

[(1, 28341180), (2, 14170590), (3, 9447060), (4, 7085295), (5, 5668236), (6, 4723530), (7, 4048740), (9, 3149020), (10, 2834118), (12, 2361765), (14, 2024370), (15, 1889412), (18, 1574510), (20, 1417059), (21, 1349580), (28, 1012185), (30, 944706), (35, 809748), (36, 787255), (42, 674790), (45, 629804), (60, 472353), (63, 449860), (70, 404874), (83, 341460), (84, 337395), (90, 314902), (105, 269916), (126, 224930), (140, 202437), (166, 170730), (180, 157451), (210, 134958), (249, 113820), (252, 112465), (271, 104580), (315, 89972), (332, 85365), (415, 68292), (420, 67479), (498, 56910), (542, 52290), (581, 48780), (630, 44986), (747, 37940), (813, 34860), (830, 34146), (996, 28455), (1084, 26145), (1162, 24390), (1245, 22764), (1260, 22493), (1355, 20916), (1494, 18970), (1626, 17430), (1660, 17073), (1743, 16260), (1897, 14940), (2324, 12195), (2439, 11620), (2490, 11382), (2710, 10458), (2905, 9756), (2988, 9485), (3252, 8715), (3486, 8130), (3735, 7588), (3794, 7470), (4065, 6972), (4878, 5810), (4980, 5691), (5229, 5420)]