1561689480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{751}}^1$

素因数の和:852

約数の個数: 256

約数和(自身を含む): 5336432640

約数和(自身を除く): 3774743160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 31, 39, 40, 43, 52, 60, 62, 65, 78, 86, 93, 104, 120, 124, 129, 130, 155, 156, 172, 186, 195, 215, 248, 258, 260, 310, 312, 344, 372, 390, 403, 430, 465, 516, 520, 559, 620, 645, 744, 751, 780, 806, 860, 930, 1032, 1118, 1209, 1240, 1290, 1333, 1502, 1560, 1612, 1677, 1720, 1860, 2015, 2236, 2253, 2418, 2580, 2666, 2795, 3004, 3224, 3354, 3720, 3755, 3999, 4030, 4472, 4506, 4836, 5160, 5332, 5590, 6008, 6045, 6665, 6708, 7510, 7998, 8060, 8385, 9012, 9672, 9763, 10664, 11180, 11265, 12090, 13330, 13416, 15020, 15996, 16120, 16770, 17329, 18024, 19526, 19995, 22360, 22530, 23281, 24180, 26660, 29289, 30040, 31992, 32293, 33540, 34658, 39052, 39990, 45060, 46562, 48360, 48815, 51987, 53320, 58578, 64586, 67080, 69316, 69843, 78104, 79980, 86645, 90120, 93124, 96879, 97630, 103974, 116405, 117156, 129172, 138632, 139686, 146445, 159960, 161465, 173290, 186248, 193758, 195260, 207948, 232810, 234312, 258344, 259935, 279372, 292890, 302653, 322930, 346580, 349215, 387516, 390520, 415896, 419809, 465620, 484395, 519870, 558744, 585780, 605306, 645860, 693160, 698430, 775032, 839618, 907959, 931240, 968790, 1001083, 1039740, 1171560, 1210612, 1259427, 1291720, 1396860, 1513265, 1679236, 1815918, 1937580, 2002166, 2079480, 2099045, 2421224, 2518854, 2793720, 3003249, 3026530, 3358472, 3631836, 3875160, 4004332, 4198090, 4539795, 5005415, 5037708, 6006498, 6053060, 6297135, 7263672, 8008664, 8396180, 9079590, 10010830, 10075416, 12012996, 12106120, 12594270, 13014079, 15016245, 16792360, 18159180, 20021660, 24025992, 25188540, 26028158, 30032490, 36318360, 39042237, 40043320, 50377080, 52056316, 60064980, 65070395, 78084474, 104112632, 120129960, 130140790, 156168948, 195211185, 260281580, 312337896, 390422370, 520563160, 780844740, 1561689480]

約数ペア:

[(1, 1561689480), (2, 780844740), (3, 520563160), (4, 390422370), (5, 312337896), (6, 260281580), (8, 195211185), (10, 156168948), (12, 130140790), (13, 120129960), (15, 104112632), (20, 78084474), (24, 65070395), (26, 60064980), (30, 52056316), (31, 50377080), (39, 40043320), (40, 39042237), (43, 36318360), (52, 30032490), (60, 26028158), (62, 25188540), (65, 24025992), (78, 20021660), (86, 18159180), (93, 16792360), (104, 15016245), (120, 13014079), (124, 12594270), (129, 12106120), (130, 12012996), (155, 10075416), (156, 10010830), (172, 9079590), (186, 8396180), (195, 8008664), (215, 7263672), (248, 6297135), (258, 6053060), (260, 6006498), (310, 5037708), (312, 5005415), (344, 4539795), (372, 4198090), (390, 4004332), (403, 3875160), (430, 3631836), (465, 3358472), (516, 3026530), (520, 3003249), (559, 2793720), (620, 2518854), (645, 2421224), (744, 2099045), (751, 2079480), (780, 2002166), (806, 1937580), (860, 1815918), (930, 1679236), (1032, 1513265), (1118, 1396860), (1209, 1291720), (1240, 1259427), (1290, 1210612), (1333, 1171560), (1502, 1039740), (1560, 1001083), (1612, 968790), (1677, 931240), (1720, 907959), (1860, 839618), (2015, 775032), (2236, 698430), (2253, 693160), (2418, 645860), (2580, 605306), (2666, 585780), (2795, 558744), (3004, 519870), (3224, 484395), (3354, 465620), (3720, 419809), (3755, 415896), (3999, 390520), (4030, 387516), (4472, 349215), (4506, 346580), (4836, 322930), (5160, 302653), (5332, 292890), (5590, 279372), (6008, 259935), (6045, 258344), (6665, 234312), (6708, 232810), (7510, 207948), (7998, 195260), (8060, 193758), (8385, 186248), (9012, 173290), (9672, 161465), (9763, 159960), (10664, 146445), (11180, 139686), (11265, 138632), (12090, 129172), (13330, 117156), (13416, 116405), (15020, 103974), (15996, 97630), (16120, 96879), (16770, 93124), (17329, 90120), (18024, 86645), (19526, 79980), (19995, 78104), (22360, 69843), (22530, 69316), (23281, 67080), (24180, 64586), (26660, 58578), (29289, 53320), (30040, 51987), (31992, 48815), (32293, 48360), (33540, 46562), (34658, 45060), (39052, 39990)]