309943920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{821}}^1$

素因数の和:872

約数の個数: 240

約数和(自身を含む): 1138739616

約数和(自身を除く): 828795696

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 16, 20, 22, 24, 26, 30, 33, 39, 40, 44, 48, 52, 55, 60, 65, 66, 78, 80, 88, 104, 110, 120, 121, 130, 132, 143, 156, 165, 176, 195, 208, 220, 240, 242, 260, 264, 286, 312, 330, 363, 390, 429, 440, 484, 520, 528, 572, 605, 624, 660, 715, 726, 780, 821, 858, 880, 968, 1040, 1144, 1210, 1320, 1430, 1452, 1560, 1573, 1642, 1716, 1815, 1936, 2145, 2288, 2420, 2463, 2640, 2860, 2904, 3120, 3146, 3284, 3432, 3630, 4105, 4290, 4719, 4840, 4926, 5720, 5808, 6292, 6568, 6864, 7260, 7865, 8210, 8580, 9031, 9438, 9680, 9852, 10673, 11440, 12315, 12584, 13136, 14520, 15730, 16420, 17160, 18062, 18876, 19704, 21346, 23595, 24630, 25168, 27093, 29040, 31460, 32019, 32840, 34320, 36124, 37752, 39408, 42692, 45155, 47190, 49260, 53365, 54186, 62920, 64038, 65680, 72248, 75504, 85384, 90310, 94380, 98520, 99341, 106730, 108372, 117403, 125840, 128076, 135465, 144496, 160095, 170768, 180620, 188760, 197040, 198682, 213460, 216744, 234806, 256152, 270930, 298023, 320190, 352209, 361240, 377520, 397364, 426920, 433488, 469612, 496705, 512304, 541860, 587015, 596046, 640380, 704418, 722480, 794728, 853840, 939224, 993410, 1083720, 1174030, 1192092, 1280760, 1291433, 1408836, 1490115, 1589456, 1761045, 1878448, 1986820, 2167440, 2348060, 2384184, 2561520, 2582866, 2817672, 2980230, 3522090, 3874299, 3973640, 4696120, 4768368, 5165732, 5635344, 5960460, 6457165, 7044180, 7748598, 7947280, 9392240, 10331464, 11920920, 12914330, 14088360, 15497196, 19371495, 20662928, 23841840, 25828660, 28176720, 30994392, 38742990, 51657320, 61988784, 77485980, 103314640, 154971960, 309943920]

約数ペア:

[(1, 309943920), (2, 154971960), (3, 103314640), (4, 77485980), (5, 61988784), (6, 51657320), (8, 38742990), (10, 30994392), (11, 28176720), (12, 25828660), (13, 23841840), (15, 20662928), (16, 19371495), (20, 15497196), (22, 14088360), (24, 12914330), (26, 11920920), (30, 10331464), (33, 9392240), (39, 7947280), (40, 7748598), (44, 7044180), (48, 6457165), (52, 5960460), (55, 5635344), (60, 5165732), (65, 4768368), (66, 4696120), (78, 3973640), (80, 3874299), (88, 3522090), (104, 2980230), (110, 2817672), (120, 2582866), (121, 2561520), (130, 2384184), (132, 2348060), (143, 2167440), (156, 1986820), (165, 1878448), (176, 1761045), (195, 1589456), (208, 1490115), (220, 1408836), (240, 1291433), (242, 1280760), (260, 1192092), (264, 1174030), (286, 1083720), (312, 993410), (330, 939224), (363, 853840), (390, 794728), (429, 722480), (440, 704418), (484, 640380), (520, 596046), (528, 587015), (572, 541860), (605, 512304), (624, 496705), (660, 469612), (715, 433488), (726, 426920), (780, 397364), (821, 377520), (858, 361240), (880, 352209), (968, 320190), (1040, 298023), (1144, 270930), (1210, 256152), (1320, 234806), (1430, 216744), (1452, 213460), (1560, 198682), (1573, 197040), (1642, 188760), (1716, 180620), (1815, 170768), (1936, 160095), (2145, 144496), (2288, 135465), (2420, 128076), (2463, 125840), (2640, 117403), (2860, 108372), (2904, 106730), (3120, 99341), (3146, 98520), (3284, 94380), (3432, 90310), (3630, 85384), (4105, 75504), (4290, 72248), (4719, 65680), (4840, 64038), (4926, 62920), (5720, 54186), (5808, 53365), (6292, 49260), (6568, 47190), (6864, 45155), (7260, 42692), (7865, 39408), (8210, 37752), (8580, 36124), (9031, 34320), (9438, 32840), (9680, 32019), (9852, 31460), (10673, 29040), (11440, 27093), (12315, 25168), (12584, 24630), (13136, 23595), (14520, 21346), (15730, 19704), (16420, 18876), (17160, 18062)]