287996940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{1889}}^1$

素因数の和:1933

約数の個数: 216

約数和(自身を含む): 1097984160

約数和(自身を除く): 809987220

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 28, 30, 33, 35, 36, 42, 44, 45, 55, 60, 63, 66, 70, 77, 84, 90, 99, 105, 110, 121, 126, 132, 140, 154, 165, 180, 198, 210, 220, 231, 242, 252, 308, 315, 330, 363, 385, 396, 420, 462, 484, 495, 605, 630, 660, 693, 726, 770, 847, 924, 990, 1089, 1155, 1210, 1260, 1386, 1452, 1540, 1694, 1815, 1889, 1980, 2178, 2310, 2420, 2541, 2772, 3388, 3465, 3630, 3778, 4235, 4356, 4620, 5082, 5445, 5667, 6930, 7260, 7556, 7623, 8470, 9445, 10164, 10890, 11334, 12705, 13223, 13860, 15246, 16940, 17001, 18890, 20779, 21780, 22668, 25410, 26446, 28335, 30492, 34002, 37780, 38115, 39669, 41558, 50820, 52892, 56670, 62337, 66115, 68004, 76230, 79338, 83116, 85005, 103895, 113340, 119007, 124674, 132230, 145453, 152460, 158676, 170010, 187011, 198345, 207790, 228569, 238014, 249348, 264460, 290906, 311685, 340020, 374022, 396690, 415580, 436359, 457138, 476028, 581812, 595035, 623370, 685707, 727265, 748044, 793380, 872718, 914276, 935055, 1142845, 1190070, 1246740, 1309077, 1371414, 1454530, 1599983, 1745436, 1870110, 2057121, 2181795, 2285690, 2380140, 2618154, 2742828, 2909060, 3199966, 3428535, 3740220, 4114242, 4363590, 4571380, 4799949, 5236308, 6399932, 6545385, 6857070, 7999915, 8228484, 8727180, 9599898, 10285605, 13090770, 13714140, 14399847, 15999830, 19199796, 20571210, 23999745, 26181540, 28799694, 31999660, 41142420, 47999490, 57599388, 71999235, 95998980, 143998470, 287996940]

約数ペア:

[(1, 287996940), (2, 143998470), (3, 95998980), (4, 71999235), (5, 57599388), (6, 47999490), (7, 41142420), (9, 31999660), (10, 28799694), (11, 26181540), (12, 23999745), (14, 20571210), (15, 19199796), (18, 15999830), (20, 14399847), (21, 13714140), (22, 13090770), (28, 10285605), (30, 9599898), (33, 8727180), (35, 8228484), (36, 7999915), (42, 6857070), (44, 6545385), (45, 6399932), (55, 5236308), (60, 4799949), (63, 4571380), (66, 4363590), (70, 4114242), (77, 3740220), (84, 3428535), (90, 3199966), (99, 2909060), (105, 2742828), (110, 2618154), (121, 2380140), (126, 2285690), (132, 2181795), (140, 2057121), (154, 1870110), (165, 1745436), (180, 1599983), (198, 1454530), (210, 1371414), (220, 1309077), (231, 1246740), (242, 1190070), (252, 1142845), (308, 935055), (315, 914276), (330, 872718), (363, 793380), (385, 748044), (396, 727265), (420, 685707), (462, 623370), (484, 595035), (495, 581812), (605, 476028), (630, 457138), (660, 436359), (693, 415580), (726, 396690), (770, 374022), (847, 340020), (924, 311685), (990, 290906), (1089, 264460), (1155, 249348), (1210, 238014), (1260, 228569), (1386, 207790), (1452, 198345), (1540, 187011), (1694, 170010), (1815, 158676), (1889, 152460), (1980, 145453), (2178, 132230), (2310, 124674), (2420, 119007), (2541, 113340), (2772, 103895), (3388, 85005), (3465, 83116), (3630, 79338), (3778, 76230), (4235, 68004), (4356, 66115), (4620, 62337), (5082, 56670), (5445, 52892), (5667, 50820), (6930, 41558), (7260, 39669), (7556, 38115), (7623, 37780), (8470, 34002), (9445, 30492), (10164, 28335), (10890, 26446), (11334, 25410), (12705, 22668), (13223, 21780), (13860, 20779), (15246, 18890), (16940, 17001)]