51984520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1$

素因数の和:215

約数の個数: 128

約数和(自身を含む): 141834240

約数和(自身を除く): 89849720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 53, 56, 62, 70, 106, 113, 124, 140, 155, 212, 217, 226, 248, 265, 280, 310, 371, 424, 434, 452, 530, 565, 620, 742, 791, 868, 904, 1060, 1085, 1130, 1240, 1484, 1582, 1643, 1736, 1855, 2120, 2170, 2260, 2968, 3164, 3286, 3503, 3710, 3955, 4340, 4520, 5989, 6328, 6572, 7006, 7420, 7910, 8215, 8680, 11501, 11978, 13144, 14012, 14840, 15820, 16430, 17515, 23002, 23956, 24521, 28024, 29945, 31640, 32860, 35030, 41923, 46004, 47912, 49042, 57505, 59890, 65720, 70060, 83846, 92008, 98084, 115010, 119780, 122605, 140120, 167692, 185659, 196168, 209615, 230020, 239560, 245210, 335384, 371318, 419230, 460040, 490420, 742636, 838460, 928295, 980840, 1299613, 1485272, 1676920, 1856590, 2599226, 3713180, 5198452, 6498065, 7426360, 10396904, 12996130, 25992260, 51984520]

約数ペア:

[(1, 51984520), (2, 25992260), (4, 12996130), (5, 10396904), (7, 7426360), (8, 6498065), (10, 5198452), (14, 3713180), (20, 2599226), (28, 1856590), (31, 1676920), (35, 1485272), (40, 1299613), (53, 980840), (56, 928295), (62, 838460), (70, 742636), (106, 490420), (113, 460040), (124, 419230), (140, 371318), (155, 335384), (212, 245210), (217, 239560), (226, 230020), (248, 209615), (265, 196168), (280, 185659), (310, 167692), (371, 140120), (424, 122605), (434, 119780), (452, 115010), (530, 98084), (565, 92008), (620, 83846), (742, 70060), (791, 65720), (868, 59890), (904, 57505), (1060, 49042), (1085, 47912), (1130, 46004), (1240, 41923), (1484, 35030), (1582, 32860), (1643, 31640), (1736, 29945), (1855, 28024), (2120, 24521), (2170, 23956), (2260, 23002), (2968, 17515), (3164, 16430), (3286, 15820), (3503, 14840), (3710, 14012), (3955, 13144), (4340, 11978), (4520, 11501), (5989, 8680), (6328, 8215), (6572, 7910), (7006, 7420)]