68921440

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{149}}^1$

素因数の和:237

約数の個数: 144

約数和(自身を含む): 193914000

約数和(自身を除く): 124992560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 59, 70, 80, 98, 112, 118, 140, 149, 160, 196, 224, 236, 245, 280, 295, 298, 392, 413, 472, 490, 560, 590, 596, 745, 784, 826, 944, 980, 1043, 1120, 1180, 1192, 1490, 1568, 1652, 1888, 1960, 2065, 2086, 2360, 2384, 2891, 2980, 3304, 3920, 4130, 4172, 4720, 4768, 5215, 5782, 5960, 6608, 7301, 7840, 8260, 8344, 8791, 9440, 10430, 11564, 11920, 13216, 14455, 14602, 16520, 16688, 17582, 20860, 23128, 23840, 28910, 29204, 33040, 33376, 35164, 36505, 41720, 43955, 46256, 57820, 58408, 61537, 66080, 70328, 73010, 83440, 87910, 92512, 115640, 116816, 123074, 140656, 146020, 166880, 175820, 231280, 233632, 246148, 281312, 292040, 307685, 351640, 430759, 462560, 492296, 584080, 615370, 703280, 861518, 984592, 1168160, 1230740, 1406560, 1723036, 1969184, 2153795, 2461480, 3446072, 4307590, 4922960, 6892144, 8615180, 9845920, 13784288, 17230360, 34460720, 68921440]

約数ペア:

[(1, 68921440), (2, 34460720), (4, 17230360), (5, 13784288), (7, 9845920), (8, 8615180), (10, 6892144), (14, 4922960), (16, 4307590), (20, 3446072), (28, 2461480), (32, 2153795), (35, 1969184), (40, 1723036), (49, 1406560), (56, 1230740), (59, 1168160), (70, 984592), (80, 861518), (98, 703280), (112, 615370), (118, 584080), (140, 492296), (149, 462560), (160, 430759), (196, 351640), (224, 307685), (236, 292040), (245, 281312), (280, 246148), (295, 233632), (298, 231280), (392, 175820), (413, 166880), (472, 146020), (490, 140656), (560, 123074), (590, 116816), (596, 115640), (745, 92512), (784, 87910), (826, 83440), (944, 73010), (980, 70328), (1043, 66080), (1120, 61537), (1180, 58408), (1192, 57820), (1490, 46256), (1568, 43955), (1652, 41720), (1888, 36505), (1960, 35164), (2065, 33376), (2086, 33040), (2360, 29204), (2384, 28910), (2891, 23840), (2980, 23128), (3304, 20860), (3920, 17582), (4130, 16688), (4172, 16520), (4720, 14602), (4768, 14455), (5215, 13216), (5782, 11920), (5960, 11564), (6608, 10430), (7301, 9440), (7840, 8791), (8260, 8344)]