840749580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{6961}}^1$

素因数の和:7048

約数の個数: 144

約数和(自身を含む): 2828131488

約数和(自身を除く): 1987381908

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 61, 66, 90, 99, 110, 122, 132, 165, 180, 183, 198, 220, 244, 305, 330, 366, 396, 495, 549, 610, 660, 671, 732, 915, 990, 1098, 1220, 1342, 1830, 1980, 2013, 2196, 2684, 2745, 3355, 3660, 4026, 5490, 6039, 6710, 6961, 8052, 10065, 10980, 12078, 13420, 13922, 20130, 20883, 24156, 27844, 30195, 34805, 40260, 41766, 60390, 62649, 69610, 76571, 83532, 104415, 120780, 125298, 139220, 153142, 208830, 229713, 250596, 306284, 313245, 382855, 417660, 424621, 459426, 626490, 689139, 765710, 849242, 918852, 1148565, 1252980, 1273863, 1378278, 1531420, 1698484, 2123105, 2297130, 2547726, 2756556, 3445695, 3821589, 4246210, 4594260, 4670831, 5095452, 6369315, 6891390, 7643178, 8492420, 9341662, 12738630, 13782780, 14012493, 15286356, 18683324, 19107945, 23354155, 25477260, 28024986, 38215890, 42037479, 46708310, 56049972, 70062465, 76431780, 84074958, 93416620, 140124930, 168149916, 210187395, 280249860, 420374790, 840749580]

約数ペア:

[(1, 840749580), (2, 420374790), (3, 280249860), (4, 210187395), (5, 168149916), (6, 140124930), (9, 93416620), (10, 84074958), (11, 76431780), (12, 70062465), (15, 56049972), (18, 46708310), (20, 42037479), (22, 38215890), (30, 28024986), (33, 25477260), (36, 23354155), (44, 19107945), (45, 18683324), (55, 15286356), (60, 14012493), (61, 13782780), (66, 12738630), (90, 9341662), (99, 8492420), (110, 7643178), (122, 6891390), (132, 6369315), (165, 5095452), (180, 4670831), (183, 4594260), (198, 4246210), (220, 3821589), (244, 3445695), (305, 2756556), (330, 2547726), (366, 2297130), (396, 2123105), (495, 1698484), (549, 1531420), (610, 1378278), (660, 1273863), (671, 1252980), (732, 1148565), (915, 918852), (990, 849242), (1098, 765710), (1220, 689139), (1342, 626490), (1830, 459426), (1980, 424621), (2013, 417660), (2196, 382855), (2684, 313245), (2745, 306284), (3355, 250596), (3660, 229713), (4026, 208830), (5490, 153142), (6039, 139220), (6710, 125298), (6961, 120780), (8052, 104415), (10065, 83532), (10980, 76571), (12078, 69610), (13420, 62649), (13922, 60390), (20130, 41766), (20883, 40260), (24156, 34805), (27844, 30195)]