423481520

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1$

素因数の和:129

約数の個数: 320

約数和(自身を含む): 1328486400

約数和(自身を除く): 905004880

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 23, 28, 35, 40, 44, 46, 49, 55, 56, 61, 70, 77, 80, 88, 92, 98, 110, 112, 115, 122, 140, 154, 161, 176, 184, 196, 220, 230, 244, 245, 253, 280, 305, 308, 322, 343, 368, 385, 392, 427, 440, 460, 488, 490, 506, 539, 560, 610, 616, 644, 671, 686, 770, 784, 805, 854, 880, 920, 976, 980, 1012, 1078, 1127, 1220, 1232, 1265, 1288, 1342, 1372, 1403, 1540, 1610, 1708, 1715, 1771, 1840, 1960, 2024, 2135, 2156, 2254, 2440, 2530, 2576, 2684, 2695, 2744, 2806, 2989, 3080, 3220, 3355, 3416, 3430, 3542, 3773, 3920, 4048, 4270, 4312, 4508, 4697, 4880, 5060, 5368, 5390, 5488, 5612, 5635, 5978, 6160, 6440, 6710, 6832, 6860, 7015, 7084, 7546, 7889, 8540, 8624, 8855, 9016, 9394, 9821, 10120, 10736, 10780, 11224, 11270, 11956, 12397, 12880, 13420, 13720, 14030, 14168, 14945, 15092, 15433, 15778, 17080, 17710, 18032, 18788, 18865, 19642, 20240, 20923, 21560, 22448, 22540, 23485, 23912, 24794, 26840, 27440, 28060, 28336, 29890, 30184, 30866, 31556, 32879, 34160, 35420, 37576, 37730, 39284, 39445, 41846, 43120, 45080, 46970, 47824, 49105, 49588, 53680, 56120, 59780, 60368, 61732, 61985, 63112, 65758, 68747, 70840, 75152, 75460, 77165, 78568, 78890, 83692, 86779, 90160, 93940, 98210, 99176, 104615, 108031, 112240, 119560, 123464, 123970, 126224, 131516, 137494, 141680, 150920, 154330, 157136, 157780, 164395, 167384, 173558, 187880, 196420, 198352, 209230, 216062, 230153, 239120, 246928, 247940, 263032, 274988, 301840, 308660, 315560, 328790, 334768, 343735, 347116, 375760, 392840, 418460, 432124, 433895, 460306, 481229, 495880, 526064, 540155, 549976, 617320, 631120, 657580, 687470, 694232, 756217, 785680, 836920, 864248, 867790, 920612, 962458, 991760, 1080310, 1099952, 1150765, 1234640, 1315160, 1374940, 1388464, 1512434, 1673840, 1728496, 1735580, 1841224, 1924916, 2160620, 2301530, 2406145, 2630320, 2749880, 3024868, 3471160, 3682448, 3781085, 3849832, 4321240, 4603060, 4812290, 5293519, 5499760, 6049736, 6942320, 7562170, 7699664, 8642480, 9206120, 9624580, 10587038, 12099472, 15124340, 18412240, 19249160, 21174076, 26467595, 30248680, 38498320, 42348152, 52935190, 60497360, 84696304, 105870380, 211740760, 423481520]

約数ペア:

[(1, 423481520), (2, 211740760), (4, 105870380), (5, 84696304), (7, 60497360), (8, 52935190), (10, 42348152), (11, 38498320), (14, 30248680), (16, 26467595), (20, 21174076), (22, 19249160), (23, 18412240), (28, 15124340), (35, 12099472), (40, 10587038), (44, 9624580), (46, 9206120), (49, 8642480), (55, 7699664), (56, 7562170), (61, 6942320), (70, 6049736), (77, 5499760), (80, 5293519), (88, 4812290), (92, 4603060), (98, 4321240), (110, 3849832), (112, 3781085), (115, 3682448), (122, 3471160), (140, 3024868), (154, 2749880), (161, 2630320), (176, 2406145), (184, 2301530), (196, 2160620), (220, 1924916), (230, 1841224), (244, 1735580), (245, 1728496), (253, 1673840), (280, 1512434), (305, 1388464), (308, 1374940), (322, 1315160), (343, 1234640), (368, 1150765), (385, 1099952), (392, 1080310), (427, 991760), (440, 962458), (460, 920612), (488, 867790), (490, 864248), (506, 836920), (539, 785680), (560, 756217), (610, 694232), (616, 687470), (644, 657580), (671, 631120), (686, 617320), (770, 549976), (784, 540155), (805, 526064), (854, 495880), (880, 481229), (920, 460306), (976, 433895), (980, 432124), (1012, 418460), (1078, 392840), (1127, 375760), (1220, 347116), (1232, 343735), (1265, 334768), (1288, 328790), (1342, 315560), (1372, 308660), (1403, 301840), (1540, 274988), (1610, 263032), (1708, 247940), (1715, 246928), (1771, 239120), (1840, 230153), (1960, 216062), (2024, 209230), (2135, 198352), (2156, 196420), (2254, 187880), (2440, 173558), (2530, 167384), (2576, 164395), (2684, 157780), (2695, 157136), (2744, 154330), (2806, 150920), (2989, 141680), (3080, 137494), (3220, 131516), (3355, 126224), (3416, 123970), (3430, 123464), (3542, 119560), (3773, 112240), (3920, 108031), (4048, 104615), (4270, 99176), (4312, 98210), (4508, 93940), (4697, 90160), (4880, 86779), (5060, 83692), (5368, 78890), (5390, 78568), (5488, 77165), (5612, 75460), (5635, 75152), (5978, 70840), (6160, 68747), (6440, 65758), (6710, 63112), (6832, 61985), (6860, 61732), (7015, 60368), (7084, 59780), (7546, 56120), (7889, 53680), (8540, 49588), (8624, 49105), (8855, 47824), (9016, 46970), (9394, 45080), (9821, 43120), (10120, 41846), (10736, 39445), (10780, 39284), (11224, 37730), (11270, 37576), (11956, 35420), (12397, 34160), (12880, 32879), (13420, 31556), (13720, 30866), (14030, 30184), (14168, 29890), (14945, 28336), (15092, 28060), (15433, 27440), (15778, 26840), (17080, 24794), (17710, 23912), (18032, 23485), (18788, 22540), (18865, 22448), (19642, 21560), (20240, 20923)]