15780590

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1$

素因数の和:269

約数の個数: 64

約数和(自身を含む): 34992000

約数和(自身を除く): 19211410

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 70, 85, 89, 119, 149, 170, 178, 238, 298, 445, 595, 623, 745, 890, 1043, 1190, 1246, 1490, 1513, 2086, 2533, 3026, 3115, 5066, 5215, 6230, 7565, 10430, 10591, 12665, 13261, 15130, 17731, 21182, 25330, 26522, 35462, 52955, 66305, 88655, 92827, 105910, 132610, 177310, 185654, 225437, 450874, 464135, 928270, 1127185, 1578059, 2254370, 3156118, 7890295, 15780590]

約数ペア:

[(1, 15780590), (2, 7890295), (5, 3156118), (7, 2254370), (10, 1578059), (14, 1127185), (17, 928270), (34, 464135), (35, 450874), (70, 225437), (85, 185654), (89, 177310), (119, 132610), (149, 105910), (170, 92827), (178, 88655), (238, 66305), (298, 52955), (445, 35462), (595, 26522), (623, 25330), (745, 21182), (890, 17731), (1043, 15130), (1190, 13261), (1246, 12665), (1490, 10591), (1513, 10430), (2086, 7565), (2533, 6230), (3026, 5215), (3115, 5066)]