816855040

素因数分解:

$2^{11}\times 5^1\times {\mathrm{241}}^1\times {\mathrm{331}}^1$

素因数の和:599

約数の個数: 96

約数和(自身を含む): 1974052080

約数和(自身を除く): 1157197040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 241, 256, 320, 331, 482, 512, 640, 662, 964, 1024, 1205, 1280, 1324, 1655, 1928, 2048, 2410, 2560, 2648, 3310, 3856, 4820, 5120, 5296, 6620, 7712, 9640, 10240, 10592, 13240, 15424, 19280, 21184, 26480, 30848, 38560, 42368, 52960, 61696, 77120, 79771, 84736, 105920, 123392, 154240, 159542, 169472, 211840, 246784, 308480, 319084, 338944, 398855, 423680, 493568, 616960, 638168, 677888, 797710, 847360, 1233920, 1276336, 1595420, 1694720, 2467840, 2552672, 3190840, 3389440, 5105344, 6381680, 10210688, 12763360, 20421376, 25526720, 40842752, 51053440, 81685504, 102106880, 163371008, 204213760, 408427520, 816855040]

約数ペア:

[(1, 816855040), (2, 408427520), (4, 204213760), (5, 163371008), (8, 102106880), (10, 81685504), (16, 51053440), (20, 40842752), (32, 25526720), (40, 20421376), (64, 12763360), (80, 10210688), (128, 6381680), (160, 5105344), (241, 3389440), (256, 3190840), (320, 2552672), (331, 2467840), (482, 1694720), (512, 1595420), (640, 1276336), (662, 1233920), (964, 847360), (1024, 797710), (1205, 677888), (1280, 638168), (1324, 616960), (1655, 493568), (1928, 423680), (2048, 398855), (2410, 338944), (2560, 319084), (2648, 308480), (3310, 246784), (3856, 211840), (4820, 169472), (5120, 159542), (5296, 154240), (6620, 123392), (7712, 105920), (9640, 84736), (10240, 79771), (10592, 77120), (13240, 61696), (15424, 52960), (19280, 42368), (21184, 38560), (26480, 30848)]