239302980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{739}}^1$

素因数の和:1018

約数の個数: 144

約数和(自身を含む): 833938560

約数和(自身を除く): 594635580

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 257, 315, 420, 514, 630, 739, 771, 1028, 1260, 1285, 1478, 1542, 1799, 2217, 2313, 2570, 2956, 3084, 3598, 3695, 3855, 4434, 4626, 5140, 5173, 5397, 6651, 7196, 7390, 7710, 8868, 8995, 9252, 10346, 10794, 11085, 11565, 13302, 14780, 15420, 15519, 16191, 17990, 20692, 21588, 22170, 23130, 25865, 26604, 26985, 31038, 32382, 33255, 35980, 44340, 46260, 46557, 51730, 53970, 62076, 64764, 66510, 77595, 80955, 93114, 103460, 107940, 133020, 155190, 161910, 186228, 189923, 232785, 310380, 323820, 379846, 465570, 569769, 759692, 931140, 949615, 1139538, 1329461, 1709307, 1899230, 2279076, 2658922, 2848845, 3418614, 3798460, 3988383, 5317844, 5697690, 6647305, 6837228, 7976766, 8546535, 11395380, 11965149, 13294610, 15953532, 17093070, 19941915, 23930298, 26589220, 34186140, 39883830, 47860596, 59825745, 79767660, 119651490, 239302980]

約数ペア:

[(1, 239302980), (2, 119651490), (3, 79767660), (4, 59825745), (5, 47860596), (6, 39883830), (7, 34186140), (9, 26589220), (10, 23930298), (12, 19941915), (14, 17093070), (15, 15953532), (18, 13294610), (20, 11965149), (21, 11395380), (28, 8546535), (30, 7976766), (35, 6837228), (36, 6647305), (42, 5697690), (45, 5317844), (60, 3988383), (63, 3798460), (70, 3418614), (84, 2848845), (90, 2658922), (105, 2279076), (126, 1899230), (140, 1709307), (180, 1329461), (210, 1139538), (252, 949615), (257, 931140), (315, 759692), (420, 569769), (514, 465570), (630, 379846), (739, 323820), (771, 310380), (1028, 232785), (1260, 189923), (1285, 186228), (1478, 161910), (1542, 155190), (1799, 133020), (2217, 107940), (2313, 103460), (2570, 93114), (2956, 80955), (3084, 77595), (3598, 66510), (3695, 64764), (3855, 62076), (4434, 53970), (4626, 51730), (5140, 46557), (5173, 46260), (5397, 44340), (6651, 35980), (7196, 33255), (7390, 32382), (7710, 31038), (8868, 26985), (8995, 26604), (9252, 25865), (10346, 23130), (10794, 22170), (11085, 21588), (11565, 20692), (13302, 17990), (14780, 16191), (15420, 15519)]