264980560

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{8219}}^1$

素因数の和:8276

約数の個数: 80

約数和(自身を含む): 684956160

約数和(自身を除く): 419975600

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 496, 520, 620, 806, 1040, 1240, 1612, 2015, 2480, 3224, 4030, 6448, 8060, 8219, 16120, 16438, 32240, 32876, 41095, 65752, 82190, 106847, 131504, 164380, 213694, 254789, 328760, 427388, 509578, 534235, 657520, 854776, 1019156, 1068470, 1273945, 1709552, 2038312, 2136940, 2547890, 3312257, 4076624, 4273880, 5095780, 6624514, 8547760, 10191560, 13249028, 16561285, 20383120, 26498056, 33122570, 52996112, 66245140, 132490280, 264980560]

約数ペア:

[(1, 264980560), (2, 132490280), (4, 66245140), (5, 52996112), (8, 33122570), (10, 26498056), (13, 20383120), (16, 16561285), (20, 13249028), (26, 10191560), (31, 8547760), (40, 6624514), (52, 5095780), (62, 4273880), (65, 4076624), (80, 3312257), (104, 2547890), (124, 2136940), (130, 2038312), (155, 1709552), (208, 1273945), (248, 1068470), (260, 1019156), (310, 854776), (403, 657520), (496, 534235), (520, 509578), (620, 427388), (806, 328760), (1040, 254789), (1240, 213694), (1612, 164380), (2015, 131504), (2480, 106847), (3224, 82190), (4030, 65752), (6448, 41095), (8060, 32876), (8219, 32240), (16120, 16438)]