64782480

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{38561}}^1$

素因数の和:38584

約数の個数: 80

約数和(自身を含む): 229521024

約数和(自身を除く): 164738544

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 38561, 77122, 115683, 154244, 192805, 231366, 269927, 308488, 385610, 462732, 539854, 578415, 616976, 771220, 809781, 925464, 1079708, 1156830, 1349635, 1542440, 1619562, 1850928, 2159416, 2313660, 2699270, 3084880, 3239124, 4048905, 4318832, 4627320, 5398540, 6478248, 8097810, 9254640, 10797080, 12956496, 16195620, 21594160, 32391240, 64782480]

約数ペア:

[(1, 64782480), (2, 32391240), (3, 21594160), (4, 16195620), (5, 12956496), (6, 10797080), (7, 9254640), (8, 8097810), (10, 6478248), (12, 5398540), (14, 4627320), (15, 4318832), (16, 4048905), (20, 3239124), (21, 3084880), (24, 2699270), (28, 2313660), (30, 2159416), (35, 1850928), (40, 1619562), (42, 1542440), (48, 1349635), (56, 1156830), (60, 1079708), (70, 925464), (80, 809781), (84, 771220), (105, 616976), (112, 578415), (120, 539854), (140, 462732), (168, 385610), (210, 308488), (240, 269927), (280, 231366), (336, 192805), (420, 154244), (560, 115683), (840, 77122), (1680, 38561)]