21728195280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{947}}^1\times {\mathrm{2897}}^1$

素因数の和:3874

約数の個数: 240

約数和(自身を含む): 79715772864

約数和(自身を除く): 57987577584

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 99, 110, 120, 132, 144, 165, 176, 180, 198, 220, 240, 264, 330, 360, 396, 440, 495, 528, 660, 720, 792, 880, 947, 990, 1320, 1584, 1894, 1980, 2640, 2841, 2897, 3788, 3960, 4735, 5682, 5794, 7576, 7920, 8523, 8691, 9470, 10417, 11364, 11588, 14205, 14485, 15152, 17046, 17382, 18940, 20834, 22728, 23176, 26073, 28410, 28970, 31251, 31867, 34092, 34764, 37880, 41668, 42615, 43455, 45456, 46352, 52085, 52146, 56820, 57940, 62502, 63734, 68184, 69528, 75760, 83336, 85230, 86910, 93753, 95601, 104170, 104292, 113640, 115880, 125004, 127468, 130365, 136368, 139056, 156255, 159335, 166672, 170460, 173820, 187506, 191202, 208340, 208584, 227280, 231760, 250008, 254936, 260730, 286803, 312510, 318670, 340920, 347640, 375012, 382404, 416680, 417168, 468765, 478005, 500016, 509872, 521460, 573606, 625020, 637340, 681840, 695280, 750024, 764808, 833360, 937530, 956010, 1042920, 1147212, 1250040, 1274680, 1434015, 1500048, 1529616, 1875060, 1912020, 2085840, 2294424, 2500080, 2549360, 2743459, 2868030, 3750120, 3824040, 4588848, 5486918, 5736060, 7500240, 7648080, 8230377, 10973836, 11472120, 13717295, 16460754, 21947672, 22944240, 24691131, 27434590, 30178049, 32921508, 41151885, 43895344, 49382262, 54869180, 60356098, 65843016, 82303770, 90534147, 98764524, 109738360, 120712196, 123455655, 131686032, 150890245, 164607540, 181068294, 197529048, 219476720, 241424392, 246911310, 271602441, 301780490, 329215080, 362136588, 395058096, 452670735, 482848784, 493822620, 543204882, 603560980, 658430160, 724273176, 905341470, 987645240, 1086409764, 1207121960, 1358012205, 1448546352, 1810682940, 1975290480, 2172819528, 2414243920, 2716024410, 3621365880, 4345639056, 5432048820, 7242731760, 10864097640, 21728195280]

約数ペア:

[(1, 21728195280), (2, 10864097640), (3, 7242731760), (4, 5432048820), (5, 4345639056), (6, 3621365880), (8, 2716024410), (9, 2414243920), (10, 2172819528), (11, 1975290480), (12, 1810682940), (15, 1448546352), (16, 1358012205), (18, 1207121960), (20, 1086409764), (22, 987645240), (24, 905341470), (30, 724273176), (33, 658430160), (36, 603560980), (40, 543204882), (44, 493822620), (45, 482848784), (48, 452670735), (55, 395058096), (60, 362136588), (66, 329215080), (72, 301780490), (80, 271602441), (88, 246911310), (90, 241424392), (99, 219476720), (110, 197529048), (120, 181068294), (132, 164607540), (144, 150890245), (165, 131686032), (176, 123455655), (180, 120712196), (198, 109738360), (220, 98764524), (240, 90534147), (264, 82303770), (330, 65843016), (360, 60356098), (396, 54869180), (440, 49382262), (495, 43895344), (528, 41151885), (660, 32921508), (720, 30178049), (792, 27434590), (880, 24691131), (947, 22944240), (990, 21947672), (1320, 16460754), (1584, 13717295), (1894, 11472120), (1980, 10973836), (2640, 8230377), (2841, 7648080), (2897, 7500240), (3788, 5736060), (3960, 5486918), (4735, 4588848), (5682, 3824040), (5794, 3750120), (7576, 2868030), (7920, 2743459), (8523, 2549360), (8691, 2500080), (9470, 2294424), (10417, 2085840), (11364, 1912020), (11588, 1875060), (14205, 1529616), (14485, 1500048), (15152, 1434015), (17046, 1274680), (17382, 1250040), (18940, 1147212), (20834, 1042920), (22728, 956010), (23176, 937530), (26073, 833360), (28410, 764808), (28970, 750024), (31251, 695280), (31867, 681840), (34092, 637340), (34764, 625020), (37880, 573606), (41668, 521460), (42615, 509872), (43455, 500016), (45456, 478005), (46352, 468765), (52085, 417168), (52146, 416680), (56820, 382404), (57940, 375012), (62502, 347640), (63734, 340920), (68184, 318670), (69528, 312510), (75760, 286803), (83336, 260730), (85230, 254936), (86910, 250008), (93753, 231760), (95601, 227280), (104170, 208584), (104292, 208340), (113640, 191202), (115880, 187506), (125004, 173820), (127468, 170460), (130365, 166672), (136368, 159335), (139056, 156255)]