6517980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{739}}^1$

素因数の和:768

約数の個数: 108

約数和(自身を含む): 23030280

約数和(自身を除く): 16512300

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 420, 441, 490, 588, 630, 735, 739, 882, 980, 1260, 1470, 1478, 1764, 2205, 2217, 2940, 2956, 3695, 4410, 4434, 5173, 6651, 7390, 8820, 8868, 10346, 11085, 13302, 14780, 15519, 20692, 22170, 25865, 26604, 31038, 33255, 36211, 44340, 46557, 51730, 62076, 66510, 72422, 77595, 93114, 103460, 108633, 133020, 144844, 155190, 181055, 186228, 217266, 232785, 310380, 325899, 362110, 434532, 465570, 543165, 651798, 724220, 931140, 1086330, 1303596, 1629495, 2172660, 3258990, 6517980]

約数ペア:

[(1, 6517980), (2, 3258990), (3, 2172660), (4, 1629495), (5, 1303596), (6, 1086330), (7, 931140), (9, 724220), (10, 651798), (12, 543165), (14, 465570), (15, 434532), (18, 362110), (20, 325899), (21, 310380), (28, 232785), (30, 217266), (35, 186228), (36, 181055), (42, 155190), (45, 144844), (49, 133020), (60, 108633), (63, 103460), (70, 93114), (84, 77595), (90, 72422), (98, 66510), (105, 62076), (126, 51730), (140, 46557), (147, 44340), (180, 36211), (196, 33255), (210, 31038), (245, 26604), (252, 25865), (294, 22170), (315, 20692), (420, 15519), (441, 14780), (490, 13302), (588, 11085), (630, 10346), (735, 8868), (739, 8820), (882, 7390), (980, 6651), (1260, 5173), (1470, 4434), (1478, 4410), (1764, 3695), (2205, 2956), (2217, 2940)]