28470960

素因数分解:

$2^4\times 3^3\times 5^1\times 7^2\times {\mathrm{269}}^1$

素因数の和:305

約数の個数: 240

約数和(自身を含む): 114501600

約数和(自身を除く): 86030640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 49, 54, 56, 60, 63, 70, 72, 80, 84, 90, 98, 105, 108, 112, 120, 126, 135, 140, 144, 147, 168, 180, 189, 196, 210, 216, 240, 245, 252, 269, 270, 280, 294, 315, 336, 360, 378, 392, 420, 432, 441, 490, 504, 538, 540, 560, 588, 630, 720, 735, 756, 784, 807, 840, 882, 945, 980, 1008, 1076, 1080, 1176, 1260, 1323, 1345, 1470, 1512, 1614, 1680, 1764, 1883, 1890, 1960, 2152, 2160, 2205, 2352, 2421, 2520, 2646, 2690, 2940, 3024, 3228, 3528, 3766, 3780, 3920, 4035, 4304, 4410, 4842, 5040, 5292, 5380, 5649, 5880, 6456, 6615, 7056, 7263, 7532, 7560, 8070, 8820, 9415, 9684, 10584, 10760, 11298, 11760, 12105, 12912, 13181, 13230, 14526, 15064, 15120, 16140, 16947, 17640, 18830, 19368, 21168, 21520, 22596, 24210, 26362, 26460, 28245, 29052, 30128, 32280, 33894, 35280, 36315, 37660, 38736, 39543, 45192, 48420, 50841, 52724, 52920, 56490, 58104, 64560, 65905, 67788, 72630, 75320, 79086, 84735, 90384, 96840, 101682, 105448, 105840, 112980, 116208, 118629, 131810, 135576, 145260, 150640, 158172, 169470, 193680, 197715, 203364, 210896, 225960, 237258, 254205, 263620, 271152, 290520, 316344, 338940, 355887, 395430, 406728, 451920, 474516, 508410, 527240, 581040, 593145, 632688, 677880, 711774, 790860, 813456, 949032, 1016820, 1054480, 1186290, 1355760, 1423548, 1581720, 1779435, 1898064, 2033640, 2372580, 2847096, 3163440, 3558870, 4067280, 4745160, 5694192, 7117740, 9490320, 14235480, 28470960]

約数ペア:

[(1, 28470960), (2, 14235480), (3, 9490320), (4, 7117740), (5, 5694192), (6, 4745160), (7, 4067280), (8, 3558870), (9, 3163440), (10, 2847096), (12, 2372580), (14, 2033640), (15, 1898064), (16, 1779435), (18, 1581720), (20, 1423548), (21, 1355760), (24, 1186290), (27, 1054480), (28, 1016820), (30, 949032), (35, 813456), (36, 790860), (40, 711774), (42, 677880), (45, 632688), (48, 593145), (49, 581040), (54, 527240), (56, 508410), (60, 474516), (63, 451920), (70, 406728), (72, 395430), (80, 355887), (84, 338940), (90, 316344), (98, 290520), (105, 271152), (108, 263620), (112, 254205), (120, 237258), (126, 225960), (135, 210896), (140, 203364), (144, 197715), (147, 193680), (168, 169470), (180, 158172), (189, 150640), (196, 145260), (210, 135576), (216, 131810), (240, 118629), (245, 116208), (252, 112980), (269, 105840), (270, 105448), (280, 101682), (294, 96840), (315, 90384), (336, 84735), (360, 79086), (378, 75320), (392, 72630), (420, 67788), (432, 65905), (441, 64560), (490, 58104), (504, 56490), (538, 52920), (540, 52724), (560, 50841), (588, 48420), (630, 45192), (720, 39543), (735, 38736), (756, 37660), (784, 36315), (807, 35280), (840, 33894), (882, 32280), (945, 30128), (980, 29052), (1008, 28245), (1076, 26460), (1080, 26362), (1176, 24210), (1260, 22596), (1323, 21520), (1345, 21168), (1470, 19368), (1512, 18830), (1614, 17640), (1680, 16947), (1764, 16140), (1883, 15120), (1890, 15064), (1960, 14526), (2152, 13230), (2160, 13181), (2205, 12912), (2352, 12105), (2421, 11760), (2520, 11298), (2646, 10760), (2690, 10584), (2940, 9684), (3024, 9415), (3228, 8820), (3528, 8070), (3766, 7560), (3780, 7532), (3920, 7263), (4035, 7056), (4304, 6615), (4410, 6456), (4842, 5880), (5040, 5649), (5292, 5380)]