28964880

素因数分解:

$2^4\times 3^2\times 5^1\times 7^2\times {\mathrm{821}}^1$

素因数の和:854

約数の個数: 180

約数和(自身を含む): 113292972

約数和(自身を除く): 84328092

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 70, 72, 80, 84, 90, 98, 105, 112, 120, 126, 140, 144, 147, 168, 180, 196, 210, 240, 245, 252, 280, 294, 315, 336, 360, 392, 420, 441, 490, 504, 560, 588, 630, 720, 735, 784, 821, 840, 882, 980, 1008, 1176, 1260, 1470, 1642, 1680, 1764, 1960, 2205, 2352, 2463, 2520, 2940, 3284, 3528, 3920, 4105, 4410, 4926, 5040, 5747, 5880, 6568, 7056, 7389, 8210, 8820, 9852, 11494, 11760, 12315, 13136, 14778, 16420, 17241, 17640, 19704, 22988, 24630, 28735, 29556, 32840, 34482, 35280, 36945, 39408, 40229, 45976, 49260, 51723, 57470, 59112, 65680, 68964, 73890, 80458, 86205, 91952, 98520, 103446, 114940, 118224, 120687, 137928, 147780, 160916, 172410, 197040, 201145, 206892, 229880, 241374, 258615, 275856, 295560, 321832, 344820, 362061, 402290, 413784, 459760, 482748, 517230, 591120, 603435, 643664, 689640, 724122, 804580, 827568, 965496, 1034460, 1206870, 1379280, 1448244, 1609160, 1810305, 1930992, 2068920, 2413740, 2896488, 3218320, 3620610, 4137840, 4827480, 5792976, 7241220, 9654960, 14482440, 28964880]

約数ペア:

[(1, 28964880), (2, 14482440), (3, 9654960), (4, 7241220), (5, 5792976), (6, 4827480), (7, 4137840), (8, 3620610), (9, 3218320), (10, 2896488), (12, 2413740), (14, 2068920), (15, 1930992), (16, 1810305), (18, 1609160), (20, 1448244), (21, 1379280), (24, 1206870), (28, 1034460), (30, 965496), (35, 827568), (36, 804580), (40, 724122), (42, 689640), (45, 643664), (48, 603435), (49, 591120), (56, 517230), (60, 482748), (63, 459760), (70, 413784), (72, 402290), (80, 362061), (84, 344820), (90, 321832), (98, 295560), (105, 275856), (112, 258615), (120, 241374), (126, 229880), (140, 206892), (144, 201145), (147, 197040), (168, 172410), (180, 160916), (196, 147780), (210, 137928), (240, 120687), (245, 118224), (252, 114940), (280, 103446), (294, 98520), (315, 91952), (336, 86205), (360, 80458), (392, 73890), (420, 68964), (441, 65680), (490, 59112), (504, 57470), (560, 51723), (588, 49260), (630, 45976), (720, 40229), (735, 39408), (784, 36945), (821, 35280), (840, 34482), (882, 32840), (980, 29556), (1008, 28735), (1176, 24630), (1260, 22988), (1470, 19704), (1642, 17640), (1680, 17241), (1764, 16420), (1960, 14778), (2205, 13136), (2352, 12315), (2463, 11760), (2520, 11494), (2940, 9852), (3284, 8820), (3528, 8210), (3920, 7389), (4105, 7056), (4410, 6568), (4926, 5880), (5040, 5747)]