1036121680

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1999}}^1$

素因数の和:2073

約数の個数: 160

約数和(自身を含む): 2856960000

約数和(自身を除く): 1820838320

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 31, 38, 40, 44, 55, 62, 76, 80, 88, 95, 110, 124, 152, 155, 176, 190, 209, 220, 248, 304, 310, 341, 380, 418, 440, 496, 589, 620, 682, 760, 836, 880, 1045, 1178, 1240, 1364, 1520, 1672, 1705, 1999, 2090, 2356, 2480, 2728, 2945, 3344, 3410, 3998, 4180, 4712, 5456, 5890, 6479, 6820, 7996, 8360, 9424, 9995, 11780, 12958, 13640, 15992, 16720, 19990, 21989, 23560, 25916, 27280, 31984, 32395, 37981, 39980, 43978, 47120, 51832, 61969, 64790, 75962, 79960, 87956, 103664, 109945, 123938, 129580, 151924, 159920, 175912, 189905, 219890, 247876, 259160, 303848, 309845, 351824, 379810, 417791, 439780, 495752, 518320, 607696, 619690, 681659, 759620, 835582, 879560, 991504, 1177411, 1239380, 1363318, 1519240, 1671164, 1759120, 2088955, 2354822, 2478760, 2726636, 3038480, 3342328, 3408295, 4177910, 4709644, 4957520, 5453272, 5887055, 6684656, 6816590, 8355820, 9419288, 10906544, 11774110, 12951521, 13633180, 16711640, 18838576, 23548220, 25903042, 27266360, 33423280, 47096440, 51806084, 54532720, 64757605, 94192880, 103612168, 129515210, 207224336, 259030420, 518060840, 1036121680]

約数ペア:

[(1, 1036121680), (2, 518060840), (4, 259030420), (5, 207224336), (8, 129515210), (10, 103612168), (11, 94192880), (16, 64757605), (19, 54532720), (20, 51806084), (22, 47096440), (31, 33423280), (38, 27266360), (40, 25903042), (44, 23548220), (55, 18838576), (62, 16711640), (76, 13633180), (80, 12951521), (88, 11774110), (95, 10906544), (110, 9419288), (124, 8355820), (152, 6816590), (155, 6684656), (176, 5887055), (190, 5453272), (209, 4957520), (220, 4709644), (248, 4177910), (304, 3408295), (310, 3342328), (341, 3038480), (380, 2726636), (418, 2478760), (440, 2354822), (496, 2088955), (589, 1759120), (620, 1671164), (682, 1519240), (760, 1363318), (836, 1239380), (880, 1177411), (1045, 991504), (1178, 879560), (1240, 835582), (1364, 759620), (1520, 681659), (1672, 619690), (1705, 607696), (1999, 518320), (2090, 495752), (2356, 439780), (2480, 417791), (2728, 379810), (2945, 351824), (3344, 309845), (3410, 303848), (3998, 259160), (4180, 247876), (4712, 219890), (5456, 189905), (5890, 175912), (6479, 159920), (6820, 151924), (7996, 129580), (8360, 123938), (9424, 109945), (9995, 103664), (11780, 87956), (12958, 79960), (13640, 75962), (15992, 64790), (16720, 61969), (19990, 51832), (21989, 47120), (23560, 43978), (25916, 39980), (27280, 37981), (31984, 32395)]