215882240

素因数分解:

$2^9\times 5^1\times 7^2\times {\mathrm{1721}}^1$

素因数の和:1758

約数の個数: 120

約数和(自身を含む): 602469252

約数和(自身を除く): 386587012

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 256, 280, 320, 392, 448, 490, 512, 560, 640, 784, 896, 980, 1120, 1280, 1568, 1721, 1792, 1960, 2240, 2560, 3136, 3442, 3584, 3920, 4480, 6272, 6884, 7840, 8605, 8960, 12047, 12544, 13768, 15680, 17210, 17920, 24094, 25088, 27536, 31360, 34420, 48188, 55072, 60235, 62720, 68840, 84329, 96376, 110144, 120470, 125440, 137680, 168658, 192752, 220288, 240940, 275360, 337316, 385504, 421645, 440576, 481880, 550720, 674632, 771008, 843290, 881152, 963760, 1101440, 1349264, 1542016, 1686580, 1927520, 2202880, 2698528, 3084032, 3373160, 3855040, 4405760, 5397056, 6168064, 6746320, 7710080, 10794112, 13492640, 15420160, 21588224, 26985280, 30840320, 43176448, 53970560, 107941120, 215882240]

約数ペア:

[(1, 215882240), (2, 107941120), (4, 53970560), (5, 43176448), (7, 30840320), (8, 26985280), (10, 21588224), (14, 15420160), (16, 13492640), (20, 10794112), (28, 7710080), (32, 6746320), (35, 6168064), (40, 5397056), (49, 4405760), (56, 3855040), (64, 3373160), (70, 3084032), (80, 2698528), (98, 2202880), (112, 1927520), (128, 1686580), (140, 1542016), (160, 1349264), (196, 1101440), (224, 963760), (245, 881152), (256, 843290), (280, 771008), (320, 674632), (392, 550720), (448, 481880), (490, 440576), (512, 421645), (560, 385504), (640, 337316), (784, 275360), (896, 240940), (980, 220288), (1120, 192752), (1280, 168658), (1568, 137680), (1721, 125440), (1792, 120470), (1960, 110144), (2240, 96376), (2560, 84329), (3136, 68840), (3442, 62720), (3584, 60235), (3920, 55072), (4480, 48188), (6272, 34420), (6884, 31360), (7840, 27536), (8605, 25088), (8960, 24094), (12047, 17920), (12544, 17210), (13768, 15680)]