28847280

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{223}}^1$

素因数の和:264

約数の個数: 240

約数和(自身を含む): 113992704

約数和(自身を除く): 85145424

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 48, 49, 55, 56, 60, 66, 70, 77, 80, 84, 88, 98, 105, 110, 112, 120, 132, 140, 147, 154, 165, 168, 176, 196, 210, 220, 223, 231, 240, 245, 264, 280, 294, 308, 330, 336, 385, 392, 420, 440, 446, 462, 490, 528, 539, 560, 588, 616, 660, 669, 735, 770, 784, 840, 880, 892, 924, 980, 1078, 1115, 1155, 1176, 1232, 1320, 1338, 1470, 1540, 1561, 1617, 1680, 1784, 1848, 1960, 2156, 2230, 2310, 2352, 2453, 2640, 2676, 2695, 2940, 3080, 3122, 3234, 3345, 3568, 3696, 3920, 4312, 4460, 4620, 4683, 4906, 5352, 5390, 5880, 6160, 6244, 6468, 6690, 7359, 7805, 8085, 8624, 8920, 9240, 9366, 9812, 10704, 10780, 10927, 11760, 12265, 12488, 12936, 13380, 14718, 15610, 16170, 17171, 17840, 18480, 18732, 19624, 21560, 21854, 23415, 24530, 24976, 25872, 26760, 29436, 31220, 32340, 32781, 34342, 36795, 37464, 39248, 43120, 43708, 46830, 49060, 51513, 53520, 54635, 58872, 62440, 64680, 65562, 68684, 73590, 74928, 85855, 87416, 93660, 98120, 103026, 109270, 117744, 120197, 124880, 129360, 131124, 137368, 147180, 163905, 171710, 174832, 187320, 196240, 206052, 218540, 240394, 257565, 262248, 274736, 294360, 327810, 343420, 360591, 374640, 412104, 437080, 480788, 515130, 524496, 588720, 600985, 655620, 686840, 721182, 824208, 874160, 961576, 1030260, 1201970, 1311240, 1373680, 1442364, 1802955, 1923152, 2060520, 2403940, 2622480, 2884728, 3605910, 4121040, 4807880, 5769456, 7211820, 9615760, 14423640, 28847280]

約数ペア:

[(1, 28847280), (2, 14423640), (3, 9615760), (4, 7211820), (5, 5769456), (6, 4807880), (7, 4121040), (8, 3605910), (10, 2884728), (11, 2622480), (12, 2403940), (14, 2060520), (15, 1923152), (16, 1802955), (20, 1442364), (21, 1373680), (22, 1311240), (24, 1201970), (28, 1030260), (30, 961576), (33, 874160), (35, 824208), (40, 721182), (42, 686840), (44, 655620), (48, 600985), (49, 588720), (55, 524496), (56, 515130), (60, 480788), (66, 437080), (70, 412104), (77, 374640), (80, 360591), (84, 343420), (88, 327810), (98, 294360), (105, 274736), (110, 262248), (112, 257565), (120, 240394), (132, 218540), (140, 206052), (147, 196240), (154, 187320), (165, 174832), (168, 171710), (176, 163905), (196, 147180), (210, 137368), (220, 131124), (223, 129360), (231, 124880), (240, 120197), (245, 117744), (264, 109270), (280, 103026), (294, 98120), (308, 93660), (330, 87416), (336, 85855), (385, 74928), (392, 73590), (420, 68684), (440, 65562), (446, 64680), (462, 62440), (490, 58872), (528, 54635), (539, 53520), (560, 51513), (588, 49060), (616, 46830), (660, 43708), (669, 43120), (735, 39248), (770, 37464), (784, 36795), (840, 34342), (880, 32781), (892, 32340), (924, 31220), (980, 29436), (1078, 26760), (1115, 25872), (1155, 24976), (1176, 24530), (1232, 23415), (1320, 21854), (1338, 21560), (1470, 19624), (1540, 18732), (1561, 18480), (1617, 17840), (1680, 17171), (1784, 16170), (1848, 15610), (1960, 14718), (2156, 13380), (2230, 12936), (2310, 12488), (2352, 12265), (2453, 11760), (2640, 10927), (2676, 10780), (2695, 10704), (2940, 9812), (3080, 9366), (3122, 9240), (3234, 8920), (3345, 8624), (3568, 8085), (3696, 7805), (3920, 7359), (4312, 6690), (4460, 6468), (4620, 6244), (4683, 6160), (4906, 5880), (5352, 5390)]