261640260

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3643}}^1$

素因数の和:3687

約数の個数: 192

約数和(自身を含む): 979507200

約数和(自身を除く): 717866940

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 27, 28, 30, 35, 36, 38, 42, 45, 54, 57, 60, 63, 70, 76, 84, 90, 95, 105, 108, 114, 126, 133, 135, 140, 171, 180, 189, 190, 210, 228, 252, 266, 270, 285, 315, 342, 378, 380, 399, 420, 513, 532, 540, 570, 630, 665, 684, 756, 798, 855, 945, 1026, 1140, 1197, 1260, 1330, 1596, 1710, 1890, 1995, 2052, 2394, 2565, 2660, 3420, 3591, 3643, 3780, 3990, 4788, 5130, 5985, 7182, 7286, 7980, 10260, 10929, 11970, 14364, 14572, 17955, 18215, 21858, 23940, 25501, 32787, 35910, 36430, 43716, 51002, 54645, 65574, 69217, 71820, 72860, 76503, 98361, 102004, 109290, 127505, 131148, 138434, 153006, 163935, 196722, 207651, 218580, 229509, 255010, 276868, 306012, 327870, 346085, 382515, 393444, 415302, 459018, 484519, 491805, 510020, 622953, 655740, 688527, 692170, 765030, 830604, 918036, 969038, 983610, 1038255, 1147545, 1245906, 1377054, 1384340, 1453557, 1530060, 1868859, 1938076, 1967220, 2076510, 2295090, 2422595, 2491812, 2754108, 2907114, 3114765, 3442635, 3737718, 4153020, 4360671, 4590180, 4845190, 5814228, 6229530, 6885270, 7267785, 7475436, 8721342, 9344295, 9690380, 12459060, 13082013, 13770540, 14535570, 17442684, 18688590, 21803355, 26164026, 29071140, 37377180, 43606710, 52328052, 65410065, 87213420, 130820130, 261640260]

約数ペア:

[(1, 261640260), (2, 130820130), (3, 87213420), (4, 65410065), (5, 52328052), (6, 43606710), (7, 37377180), (9, 29071140), (10, 26164026), (12, 21803355), (14, 18688590), (15, 17442684), (18, 14535570), (19, 13770540), (20, 13082013), (21, 12459060), (27, 9690380), (28, 9344295), (30, 8721342), (35, 7475436), (36, 7267785), (38, 6885270), (42, 6229530), (45, 5814228), (54, 4845190), (57, 4590180), (60, 4360671), (63, 4153020), (70, 3737718), (76, 3442635), (84, 3114765), (90, 2907114), (95, 2754108), (105, 2491812), (108, 2422595), (114, 2295090), (126, 2076510), (133, 1967220), (135, 1938076), (140, 1868859), (171, 1530060), (180, 1453557), (189, 1384340), (190, 1377054), (210, 1245906), (228, 1147545), (252, 1038255), (266, 983610), (270, 969038), (285, 918036), (315, 830604), (342, 765030), (378, 692170), (380, 688527), (399, 655740), (420, 622953), (513, 510020), (532, 491805), (540, 484519), (570, 459018), (630, 415302), (665, 393444), (684, 382515), (756, 346085), (798, 327870), (855, 306012), (945, 276868), (1026, 255010), (1140, 229509), (1197, 218580), (1260, 207651), (1330, 196722), (1596, 163935), (1710, 153006), (1890, 138434), (1995, 131148), (2052, 127505), (2394, 109290), (2565, 102004), (2660, 98361), (3420, 76503), (3591, 72860), (3643, 71820), (3780, 69217), (3990, 65574), (4788, 54645), (5130, 51002), (5985, 43716), (7182, 36430), (7286, 35910), (7980, 32787), (10260, 25501), (10929, 23940), (11970, 21858), (14364, 18215), (14572, 17955)]