78467200

素因数分解:

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

素因数の和:175

約数の個数: 192

約数和(自身を含む): 230699520

約数和(自身を除く): 152232320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 31, 32, 35, 40, 50, 56, 62, 64, 70, 80, 100, 112, 113, 124, 128, 140, 155, 160, 175, 200, 217, 224, 226, 248, 280, 310, 320, 350, 400, 434, 448, 452, 496, 560, 565, 620, 640, 700, 775, 791, 800, 868, 896, 904, 992, 1085, 1120, 1130, 1240, 1400, 1550, 1582, 1600, 1736, 1808, 1984, 2170, 2240, 2260, 2480, 2800, 2825, 3100, 3164, 3200, 3472, 3503, 3616, 3955, 3968, 4340, 4480, 4520, 4960, 5425, 5600, 5650, 6200, 6328, 6944, 7006, 7232, 7910, 8680, 9040, 9920, 10850, 11200, 11300, 12400, 12656, 13888, 14012, 14464, 15820, 17360, 17515, 18080, 19775, 19840, 21700, 22400, 22600, 24521, 24800, 25312, 27776, 28024, 31640, 34720, 35030, 36160, 39550, 43400, 45200, 49042, 49600, 50624, 56048, 63280, 69440, 70060, 72320, 79100, 86800, 87575, 90400, 98084, 99200, 101248, 112096, 122605, 126560, 138880, 140120, 158200, 173600, 175150, 180800, 196168, 224192, 245210, 253120, 280240, 316400, 347200, 350300, 361600, 392336, 448384, 490420, 506240, 560480, 613025, 632800, 694400, 700600, 784672, 980840, 1120960, 1226050, 1265600, 1401200, 1569344, 1961680, 2241920, 2452100, 2531200, 2802400, 3138688, 3923360, 4904200, 5604800, 7846720, 9808400, 11209600, 15693440, 19616800, 39233600, 78467200]

約数ペア:

[(1, 78467200), (2, 39233600), (4, 19616800), (5, 15693440), (7, 11209600), (8, 9808400), (10, 7846720), (14, 5604800), (16, 4904200), (20, 3923360), (25, 3138688), (28, 2802400), (31, 2531200), (32, 2452100), (35, 2241920), (40, 1961680), (50, 1569344), (56, 1401200), (62, 1265600), (64, 1226050), (70, 1120960), (80, 980840), (100, 784672), (112, 700600), (113, 694400), (124, 632800), (128, 613025), (140, 560480), (155, 506240), (160, 490420), (175, 448384), (200, 392336), (217, 361600), (224, 350300), (226, 347200), (248, 316400), (280, 280240), (310, 253120), (320, 245210), (350, 224192), (400, 196168), (434, 180800), (448, 175150), (452, 173600), (496, 158200), (560, 140120), (565, 138880), (620, 126560), (640, 122605), (700, 112096), (775, 101248), (791, 99200), (800, 98084), (868, 90400), (896, 87575), (904, 86800), (992, 79100), (1085, 72320), (1120, 70060), (1130, 69440), (1240, 63280), (1400, 56048), (1550, 50624), (1582, 49600), (1600, 49042), (1736, 45200), (1808, 43400), (1984, 39550), (2170, 36160), (2240, 35030), (2260, 34720), (2480, 31640), (2800, 28024), (2825, 27776), (3100, 25312), (3164, 24800), (3200, 24521), (3472, 22600), (3503, 22400), (3616, 21700), (3955, 19840), (3968, 19775), (4340, 18080), (4480, 17515), (4520, 17360), (4960, 15820), (5425, 14464), (5600, 14012), (5650, 13888), (6200, 12656), (6328, 12400), (6944, 11300), (7006, 11200), (7232, 10850), (7910, 9920), (8680, 9040)]