28654920

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{137}}^1$

素因数の和:244

約数の個数: 192

約数和(自身を含む): 108501120

約数和(自身を除く): 79846200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 83, 84, 90, 105, 120, 126, 137, 140, 166, 168, 180, 210, 249, 252, 274, 280, 315, 332, 360, 411, 415, 420, 498, 504, 548, 581, 630, 664, 685, 747, 822, 830, 840, 959, 996, 1096, 1162, 1233, 1245, 1260, 1370, 1494, 1644, 1660, 1743, 1918, 1992, 2055, 2324, 2466, 2490, 2520, 2740, 2877, 2905, 2988, 3288, 3320, 3486, 3735, 3836, 4110, 4648, 4795, 4932, 4980, 5229, 5480, 5754, 5810, 5976, 6165, 6972, 7470, 7672, 8220, 8631, 8715, 9590, 9864, 9960, 10458, 11371, 11508, 11620, 12330, 13944, 14385, 14940, 16440, 17262, 17430, 19180, 20916, 22742, 23016, 23240, 24660, 26145, 28770, 29880, 34113, 34524, 34860, 38360, 41832, 43155, 45484, 49320, 52290, 56855, 57540, 68226, 69048, 69720, 79597, 86310, 90968, 102339, 104580, 113710, 115080, 136452, 159194, 170565, 172620, 204678, 209160, 227420, 238791, 272904, 318388, 341130, 345240, 397985, 409356, 454840, 477582, 511695, 636776, 682260, 716373, 795970, 818712, 955164, 1023390, 1193955, 1364520, 1432746, 1591940, 1910328, 2046780, 2387910, 2865492, 3183880, 3581865, 4093560, 4775820, 5730984, 7163730, 9551640, 14327460, 28654920]

約数ペア:

[(1, 28654920), (2, 14327460), (3, 9551640), (4, 7163730), (5, 5730984), (6, 4775820), (7, 4093560), (8, 3581865), (9, 3183880), (10, 2865492), (12, 2387910), (14, 2046780), (15, 1910328), (18, 1591940), (20, 1432746), (21, 1364520), (24, 1193955), (28, 1023390), (30, 955164), (35, 818712), (36, 795970), (40, 716373), (42, 682260), (45, 636776), (56, 511695), (60, 477582), (63, 454840), (70, 409356), (72, 397985), (83, 345240), (84, 341130), (90, 318388), (105, 272904), (120, 238791), (126, 227420), (137, 209160), (140, 204678), (166, 172620), (168, 170565), (180, 159194), (210, 136452), (249, 115080), (252, 113710), (274, 104580), (280, 102339), (315, 90968), (332, 86310), (360, 79597), (411, 69720), (415, 69048), (420, 68226), (498, 57540), (504, 56855), (548, 52290), (581, 49320), (630, 45484), (664, 43155), (685, 41832), (747, 38360), (822, 34860), (830, 34524), (840, 34113), (959, 29880), (996, 28770), (1096, 26145), (1162, 24660), (1233, 23240), (1245, 23016), (1260, 22742), (1370, 20916), (1494, 19180), (1644, 17430), (1660, 17262), (1743, 16440), (1918, 14940), (1992, 14385), (2055, 13944), (2324, 12330), (2466, 11620), (2490, 11508), (2520, 11371), (2740, 10458), (2877, 9960), (2905, 9864), (2988, 9590), (3288, 8715), (3320, 8631), (3486, 8220), (3735, 7672), (3836, 7470), (4110, 6972), (4648, 6165), (4795, 5976), (4932, 5810), (4980, 5754), (5229, 5480)]