6485854720

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^1\times {\mathrm{81727}}^1$

素因数の和:81781

約数の個数: 80

約数和(自身を含む): 16052686848

約数和(自身を除く): 9566832128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 512, 620, 640, 992, 1240, 1280, 1984, 2480, 2560, 3968, 4960, 7936, 9920, 15872, 19840, 39680, 79360, 81727, 163454, 326908, 408635, 653816, 817270, 1307632, 1634540, 2533537, 2615264, 3269080, 5067074, 5230528, 6538160, 10134148, 10461056, 12667685, 13076320, 20268296, 20922112, 25335370, 26152640, 40536592, 41844224, 50670740, 52305280, 81073184, 101341480, 104610560, 162146368, 202682960, 209221120, 324292736, 405365920, 648585472, 810731840, 1297170944, 1621463680, 3242927360, 6485854720]

約数ペア:

[(1, 6485854720), (2, 3242927360), (4, 1621463680), (5, 1297170944), (8, 810731840), (10, 648585472), (16, 405365920), (20, 324292736), (31, 209221120), (32, 202682960), (40, 162146368), (62, 104610560), (64, 101341480), (80, 81073184), (124, 52305280), (128, 50670740), (155, 41844224), (160, 40536592), (248, 26152640), (256, 25335370), (310, 20922112), (320, 20268296), (496, 13076320), (512, 12667685), (620, 10461056), (640, 10134148), (992, 6538160), (1240, 5230528), (1280, 5067074), (1984, 3269080), (2480, 2615264), (2560, 2533537), (3968, 1634540), (4960, 1307632), (7936, 817270), (9920, 653816), (15872, 408635), (19840, 326908), (39680, 163454), (79360, 81727)]