67978620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{173}}^1$

素因数の和:284

約数の個数: 144

約数和(自身を含む): 216609120

約数和(自身を除く): 148630500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 59, 60, 74, 90, 111, 118, 148, 173, 177, 180, 185, 222, 236, 295, 333, 346, 354, 370, 444, 519, 531, 555, 590, 666, 692, 708, 740, 865, 885, 1038, 1062, 1110, 1180, 1332, 1557, 1665, 1730, 1770, 2076, 2124, 2183, 2220, 2595, 2655, 3114, 3330, 3460, 3540, 4366, 5190, 5310, 6228, 6401, 6549, 6660, 7785, 8732, 10207, 10380, 10620, 10915, 12802, 13098, 15570, 19203, 19647, 20414, 21830, 25604, 26196, 30621, 31140, 32005, 32745, 38406, 39294, 40828, 43660, 51035, 57609, 61242, 64010, 65490, 76812, 78588, 91863, 96015, 98235, 102070, 115218, 122484, 128020, 130980, 153105, 183726, 192030, 196470, 204140, 230436, 288045, 306210, 367452, 377659, 384060, 392940, 459315, 576090, 612420, 755318, 918630, 1132977, 1152180, 1510636, 1837260, 1888295, 2265954, 3398931, 3776590, 4531908, 5664885, 6797862, 7553180, 11329770, 13595724, 16994655, 22659540, 33989310, 67978620]

約数ペア:

[(1, 67978620), (2, 33989310), (3, 22659540), (4, 16994655), (5, 13595724), (6, 11329770), (9, 7553180), (10, 6797862), (12, 5664885), (15, 4531908), (18, 3776590), (20, 3398931), (30, 2265954), (36, 1888295), (37, 1837260), (45, 1510636), (59, 1152180), (60, 1132977), (74, 918630), (90, 755318), (111, 612420), (118, 576090), (148, 459315), (173, 392940), (177, 384060), (180, 377659), (185, 367452), (222, 306210), (236, 288045), (295, 230436), (333, 204140), (346, 196470), (354, 192030), (370, 183726), (444, 153105), (519, 130980), (531, 128020), (555, 122484), (590, 115218), (666, 102070), (692, 98235), (708, 96015), (740, 91863), (865, 78588), (885, 76812), (1038, 65490), (1062, 64010), (1110, 61242), (1180, 57609), (1332, 51035), (1557, 43660), (1665, 40828), (1730, 39294), (1770, 38406), (2076, 32745), (2124, 32005), (2183, 31140), (2220, 30621), (2595, 26196), (2655, 25604), (3114, 21830), (3330, 20414), (3460, 19647), (3540, 19203), (4366, 15570), (5190, 13098), (5310, 12802), (6228, 10915), (6401, 10620), (6549, 10380), (6660, 10207), (7785, 8732)]