686134680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{74257}}^1$

素因数の和:74289

約数の個数: 128

約数和(自身を含む): 2566356480

約数和(自身を除く): 1880221800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 55, 56, 60, 66, 70, 77, 84, 88, 105, 110, 120, 132, 140, 154, 165, 168, 210, 220, 231, 264, 280, 308, 330, 385, 420, 440, 462, 616, 660, 770, 840, 924, 1155, 1320, 1540, 1848, 2310, 3080, 4620, 9240, 74257, 148514, 222771, 297028, 371285, 445542, 519799, 594056, 742570, 816827, 891084, 1039598, 1113855, 1485140, 1559397, 1633654, 1782168, 2079196, 2227710, 2450481, 2598995, 2970280, 3118794, 3267308, 4084135, 4158392, 4455420, 4900962, 5197990, 5717789, 6237588, 6534616, 7796985, 8168270, 8910840, 9801924, 10395980, 11435578, 12252405, 12475176, 15593970, 16336540, 17153367, 19603848, 20791960, 22871156, 24504810, 28588945, 31187940, 32673080, 34306734, 45742312, 49009620, 57177890, 62375880, 68613468, 85766835, 98019240, 114355780, 137226936, 171533670, 228711560, 343067340, 686134680]

約数ペア:

[(1, 686134680), (2, 343067340), (3, 228711560), (4, 171533670), (5, 137226936), (6, 114355780), (7, 98019240), (8, 85766835), (10, 68613468), (11, 62375880), (12, 57177890), (14, 49009620), (15, 45742312), (20, 34306734), (21, 32673080), (22, 31187940), (24, 28588945), (28, 24504810), (30, 22871156), (33, 20791960), (35, 19603848), (40, 17153367), (42, 16336540), (44, 15593970), (55, 12475176), (56, 12252405), (60, 11435578), (66, 10395980), (70, 9801924), (77, 8910840), (84, 8168270), (88, 7796985), (105, 6534616), (110, 6237588), (120, 5717789), (132, 5197990), (140, 4900962), (154, 4455420), (165, 4158392), (168, 4084135), (210, 3267308), (220, 3118794), (231, 2970280), (264, 2598995), (280, 2450481), (308, 2227710), (330, 2079196), (385, 1782168), (420, 1633654), (440, 1559397), (462, 1485140), (616, 1113855), (660, 1039598), (770, 891084), (840, 816827), (924, 742570), (1155, 594056), (1320, 519799), (1540, 445542), (1848, 371285), (2310, 297028), (3080, 222771), (4620, 148514), (9240, 74257)]