243040

素因数分解:

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

素因数の和:60

約数の個数: 72

約数和(自身を含む): 689472

約数和(自身を除く): 446432

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 49, 56, 62, 70, 80, 98, 112, 124, 140, 155, 160, 196, 217, 224, 245, 248, 280, 310, 392, 434, 490, 496, 560, 620, 784, 868, 980, 992, 1085, 1120, 1240, 1519, 1568, 1736, 1960, 2170, 2480, 3038, 3472, 3920, 4340, 4960, 6076, 6944, 7595, 7840, 8680, 12152, 15190, 17360, 24304, 30380, 34720, 48608, 60760, 121520, 243040]

約数ペア:

[(1, 243040), (2, 121520), (4, 60760), (5, 48608), (7, 34720), (8, 30380), (10, 24304), (14, 17360), (16, 15190), (20, 12152), (28, 8680), (31, 7840), (32, 7595), (35, 6944), (40, 6076), (49, 4960), (56, 4340), (62, 3920), (70, 3472), (80, 3038), (98, 2480), (112, 2170), (124, 1960), (140, 1736), (155, 1568), (160, 1519), (196, 1240), (217, 1120), (224, 1085), (245, 992), (248, 980), (280, 868), (310, 784), (392, 620), (434, 560), (490, 496)]