19510901520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{21673}}^1$

素因数の和:21742

約数の個数: 240

約数和(自身を含む): 68629940736

約数和(自身を除く): 49119039216

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 31, 33, 40, 44, 48, 55, 60, 62, 66, 80, 88, 93, 110, 120, 121, 124, 132, 155, 165, 176, 186, 220, 240, 242, 248, 264, 310, 330, 341, 363, 372, 440, 465, 484, 496, 528, 605, 620, 660, 682, 726, 744, 880, 930, 968, 1023, 1210, 1240, 1320, 1364, 1452, 1488, 1705, 1815, 1860, 1936, 2046, 2420, 2480, 2640, 2728, 2904, 3410, 3630, 3720, 3751, 4092, 4840, 5115, 5456, 5808, 6820, 7260, 7440, 7502, 8184, 9680, 10230, 11253, 13640, 14520, 15004, 16368, 18755, 20460, 21673, 22506, 27280, 29040, 30008, 37510, 40920, 43346, 45012, 56265, 60016, 65019, 75020, 81840, 86692, 90024, 108365, 112530, 130038, 150040, 173384, 180048, 216730, 225060, 238403, 260076, 300080, 325095, 346768, 433460, 450120, 476806, 520152, 650190, 671863, 715209, 866920, 900240, 953612, 1040304, 1192015, 1300380, 1343726, 1430418, 1733840, 1907224, 2015589, 2384030, 2600760, 2622433, 2687452, 2860836, 3359315, 3576045, 3814448, 4031178, 4768060, 5201520, 5244866, 5374904, 5721672, 6718630, 7152090, 7390493, 7867299, 8062356, 9536120, 10077945, 10489732, 10749808, 11443344, 13112165, 13437260, 14304180, 14780986, 15734598, 16124712, 19072240, 20155890, 20979464, 22171479, 26224330, 26874520, 28608360, 29561972, 31469196, 32249424, 36952465, 39336495, 40311780, 41958928, 44342958, 52448660, 53749040, 57216720, 59123944, 62938392, 73904930, 78672990, 80623560, 81295423, 88685916, 104897320, 110857395, 118247888, 125876784, 147809860, 157345980, 161247120, 162590846, 177371832, 209794640, 221714790, 243886269, 295619720, 314691960, 325181692, 354743664, 406477115, 443429580, 487772538, 591239440, 629383920, 650363384, 812954230, 886859160, 975545076, 1219431345, 1300726768, 1625908460, 1773718320, 1951090152, 2438862690, 3251816920, 3902180304, 4877725380, 6503633840, 9755450760, 19510901520]

約数ペア:

[(1, 19510901520), (2, 9755450760), (3, 6503633840), (4, 4877725380), (5, 3902180304), (6, 3251816920), (8, 2438862690), (10, 1951090152), (11, 1773718320), (12, 1625908460), (15, 1300726768), (16, 1219431345), (20, 975545076), (22, 886859160), (24, 812954230), (30, 650363384), (31, 629383920), (33, 591239440), (40, 487772538), (44, 443429580), (48, 406477115), (55, 354743664), (60, 325181692), (62, 314691960), (66, 295619720), (80, 243886269), (88, 221714790), (93, 209794640), (110, 177371832), (120, 162590846), (121, 161247120), (124, 157345980), (132, 147809860), (155, 125876784), (165, 118247888), (176, 110857395), (186, 104897320), (220, 88685916), (240, 81295423), (242, 80623560), (248, 78672990), (264, 73904930), (310, 62938392), (330, 59123944), (341, 57216720), (363, 53749040), (372, 52448660), (440, 44342958), (465, 41958928), (484, 40311780), (496, 39336495), (528, 36952465), (605, 32249424), (620, 31469196), (660, 29561972), (682, 28608360), (726, 26874520), (744, 26224330), (880, 22171479), (930, 20979464), (968, 20155890), (1023, 19072240), (1210, 16124712), (1240, 15734598), (1320, 14780986), (1364, 14304180), (1452, 13437260), (1488, 13112165), (1705, 11443344), (1815, 10749808), (1860, 10489732), (1936, 10077945), (2046, 9536120), (2420, 8062356), (2480, 7867299), (2640, 7390493), (2728, 7152090), (2904, 6718630), (3410, 5721672), (3630, 5374904), (3720, 5244866), (3751, 5201520), (4092, 4768060), (4840, 4031178), (5115, 3814448), (5456, 3576045), (5808, 3359315), (6820, 2860836), (7260, 2687452), (7440, 2622433), (7502, 2600760), (8184, 2384030), (9680, 2015589), (10230, 1907224), (11253, 1733840), (13640, 1430418), (14520, 1343726), (15004, 1300380), (16368, 1192015), (18755, 1040304), (20460, 953612), (21673, 900240), (22506, 866920), (27280, 715209), (29040, 671863), (30008, 650190), (37510, 520152), (40920, 476806), (43346, 450120), (45012, 433460), (56265, 346768), (60016, 325095), (65019, 300080), (75020, 260076), (81840, 238403), (86692, 225060), (90024, 216730), (108365, 180048), (112530, 173384), (130038, 150040)]