8428602840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{39043}}^1$

素因数の和:39321

約数の個数: 128

約数和(自身を含む): 29011253760

約数和(自身を除く): 20582650920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 257, 280, 420, 514, 771, 840, 1028, 1285, 1542, 1799, 2056, 2570, 3084, 3598, 3855, 5140, 5397, 6168, 7196, 7710, 8995, 10280, 10794, 14392, 15420, 17990, 21588, 26985, 30840, 35980, 39043, 43176, 53970, 71960, 78086, 107940, 117129, 156172, 195215, 215880, 234258, 273301, 312344, 390430, 468516, 546602, 585645, 780860, 819903, 937032, 1093204, 1171290, 1366505, 1561720, 1639806, 2186408, 2342580, 2733010, 3279612, 4099515, 4685160, 5466020, 6559224, 8199030, 10034051, 10932040, 16398060, 20068102, 30102153, 32796120, 40136204, 50170255, 60204306, 70238357, 80272408, 100340510, 120408612, 140476714, 150510765, 200681020, 210715071, 240817224, 280953428, 301021530, 351191785, 401362040, 421430142, 561906856, 602043060, 702383570, 842860284, 1053575355, 1204086120, 1404767140, 1685720568, 2107150710, 2809534280, 4214301420, 8428602840]

約数ペア:

[(1, 8428602840), (2, 4214301420), (3, 2809534280), (4, 2107150710), (5, 1685720568), (6, 1404767140), (7, 1204086120), (8, 1053575355), (10, 842860284), (12, 702383570), (14, 602043060), (15, 561906856), (20, 421430142), (21, 401362040), (24, 351191785), (28, 301021530), (30, 280953428), (35, 240817224), (40, 210715071), (42, 200681020), (56, 150510765), (60, 140476714), (70, 120408612), (84, 100340510), (105, 80272408), (120, 70238357), (140, 60204306), (168, 50170255), (210, 40136204), (257, 32796120), (280, 30102153), (420, 20068102), (514, 16398060), (771, 10932040), (840, 10034051), (1028, 8199030), (1285, 6559224), (1542, 5466020), (1799, 4685160), (2056, 4099515), (2570, 3279612), (3084, 2733010), (3598, 2342580), (3855, 2186408), (5140, 1639806), (5397, 1561720), (6168, 1366505), (7196, 1171290), (7710, 1093204), (8995, 937032), (10280, 819903), (10794, 780860), (14392, 585645), (15420, 546602), (17990, 468516), (21588, 390430), (26985, 312344), (30840, 273301), (35980, 234258), (39043, 215880), (43176, 195215), (53970, 156172), (71960, 117129), (78086, 107940)]