1528289320

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{20731}}^1$

素因数の和:20858

約数の個数: 64

約数和(自身を含む): 3657124800

約数和(自身を除く): 2128835480

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 97, 152, 190, 194, 380, 388, 485, 760, 776, 970, 1843, 1940, 3686, 3880, 7372, 9215, 14744, 18430, 20731, 36860, 41462, 73720, 82924, 103655, 165848, 207310, 393889, 414620, 787778, 829240, 1575556, 1969445, 2010907, 3151112, 3938890, 4021814, 7877780, 8043628, 10054535, 15755560, 16087256, 20109070, 38207233, 40218140, 76414466, 80436280, 152828932, 191036165, 305657864, 382072330, 764144660, 1528289320]

約数ペア:

[(1, 1528289320), (2, 764144660), (4, 382072330), (5, 305657864), (8, 191036165), (10, 152828932), (19, 80436280), (20, 76414466), (38, 40218140), (40, 38207233), (76, 20109070), (95, 16087256), (97, 15755560), (152, 10054535), (190, 8043628), (194, 7877780), (380, 4021814), (388, 3938890), (485, 3151112), (760, 2010907), (776, 1969445), (970, 1575556), (1843, 829240), (1940, 787778), (3686, 414620), (3880, 393889), (7372, 207310), (9215, 165848), (14744, 103655), (18430, 82924), (20731, 73720), (36860, 41462)]