158291840

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{397}}^1$

素因数の和:512

約数の個数: 128

約数和(自身を含む): 438436800

約数和(自身を除く): 280144960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 89, 112, 128, 140, 160, 178, 224, 280, 320, 356, 397, 445, 448, 560, 623, 640, 712, 794, 890, 896, 1120, 1246, 1424, 1588, 1780, 1985, 2240, 2492, 2779, 2848, 3115, 3176, 3560, 3970, 4480, 4984, 5558, 5696, 6230, 6352, 7120, 7940, 9968, 11116, 11392, 12460, 12704, 13895, 14240, 15880, 19936, 22232, 24920, 25408, 27790, 28480, 31760, 35333, 39872, 44464, 49840, 50816, 55580, 56960, 63520, 70666, 79744, 88928, 99680, 111160, 127040, 141332, 176665, 177856, 199360, 222320, 247331, 254080, 282664, 353330, 355712, 398720, 444640, 494662, 565328, 706660, 889280, 989324, 1130656, 1236655, 1413320, 1778560, 1978648, 2261312, 2473310, 2826640, 3957296, 4522624, 4946620, 5653280, 7914592, 9893240, 11306560, 15829184, 19786480, 22613120, 31658368, 39572960, 79145920, 158291840]

約数ペア:

[(1, 158291840), (2, 79145920), (4, 39572960), (5, 31658368), (7, 22613120), (8, 19786480), (10, 15829184), (14, 11306560), (16, 9893240), (20, 7914592), (28, 5653280), (32, 4946620), (35, 4522624), (40, 3957296), (56, 2826640), (64, 2473310), (70, 2261312), (80, 1978648), (89, 1778560), (112, 1413320), (128, 1236655), (140, 1130656), (160, 989324), (178, 889280), (224, 706660), (280, 565328), (320, 494662), (356, 444640), (397, 398720), (445, 355712), (448, 353330), (560, 282664), (623, 254080), (640, 247331), (712, 222320), (794, 199360), (890, 177856), (896, 176665), (1120, 141332), (1246, 127040), (1424, 111160), (1588, 99680), (1780, 88928), (1985, 79744), (2240, 70666), (2492, 63520), (2779, 56960), (2848, 55580), (3115, 50816), (3176, 49840), (3560, 44464), (3970, 39872), (4480, 35333), (4984, 31760), (5558, 28480), (5696, 27790), (6230, 25408), (6352, 24920), (7120, 22232), (7940, 19936), (9968, 15880), (11116, 14240), (11392, 13895), (12460, 12704)]