1270276280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{461}}^1\times {\mathrm{757}}^1$

素因数の和:1249

約数の個数: 128

約数和(自身を含む): 3529975680

約数和(自身を除く): 2259699400

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 461, 520, 728, 757, 910, 922, 1514, 1820, 1844, 2305, 3028, 3227, 3640, 3688, 3785, 4610, 5299, 5993, 6056, 6454, 7570, 9220, 9841, 10598, 11986, 12908, 15140, 16135, 18440, 19682, 21196, 23972, 25816, 26495, 29965, 30280, 32270, 39364, 41951, 42392, 47944, 49205, 52990, 59930, 64540, 68887, 78728, 83902, 98410, 105980, 119860, 129080, 137774, 167804, 196820, 209755, 211960, 239720, 275548, 335608, 344435, 348977, 393640, 419510, 551096, 688870, 697954, 839020, 1377740, 1395908, 1678040, 1744885, 2442839, 2755480, 2791816, 3489770, 4536701, 4885678, 6979540, 9073402, 9771356, 12214195, 13959080, 18146804, 19542712, 22683505, 24428390, 31756907, 36293608, 45367010, 48856780, 63513814, 90734020, 97713560, 127027628, 158784535, 181468040, 254055256, 317569070, 635138140, 1270276280]

約数ペア:

[(1, 1270276280), (2, 635138140), (4, 317569070), (5, 254055256), (7, 181468040), (8, 158784535), (10, 127027628), (13, 97713560), (14, 90734020), (20, 63513814), (26, 48856780), (28, 45367010), (35, 36293608), (40, 31756907), (52, 24428390), (56, 22683505), (65, 19542712), (70, 18146804), (91, 13959080), (104, 12214195), (130, 9771356), (140, 9073402), (182, 6979540), (260, 4885678), (280, 4536701), (364, 3489770), (455, 2791816), (461, 2755480), (520, 2442839), (728, 1744885), (757, 1678040), (910, 1395908), (922, 1377740), (1514, 839020), (1820, 697954), (1844, 688870), (2305, 551096), (3028, 419510), (3227, 393640), (3640, 348977), (3688, 344435), (3785, 335608), (4610, 275548), (5299, 239720), (5993, 211960), (6056, 209755), (6454, 196820), (7570, 167804), (9220, 137774), (9841, 129080), (10598, 119860), (11986, 105980), (12908, 98410), (15140, 83902), (16135, 78728), (18440, 68887), (19682, 64540), (21196, 59930), (23972, 52990), (25816, 49205), (26495, 47944), (29965, 42392), (30280, 41951), (32270, 39364)]