287408520

素因数分解:

$2^3\times 3^3\times 5^1\times 7^2\times {\mathrm{5431}}^1$

素因数の和:5465

約数の個数: 192

約数和(自身を含む): 1114646400

約数和(自身を除く): 827237880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 49, 54, 56, 60, 63, 70, 72, 84, 90, 98, 105, 108, 120, 126, 135, 140, 147, 168, 180, 189, 196, 210, 216, 245, 252, 270, 280, 294, 315, 360, 378, 392, 420, 441, 490, 504, 540, 588, 630, 735, 756, 840, 882, 945, 980, 1080, 1176, 1260, 1323, 1470, 1512, 1764, 1890, 1960, 2205, 2520, 2646, 2940, 3528, 3780, 4410, 5292, 5431, 5880, 6615, 7560, 8820, 10584, 10862, 13230, 16293, 17640, 21724, 26460, 27155, 32586, 38017, 43448, 48879, 52920, 54310, 65172, 76034, 81465, 97758, 108620, 114051, 130344, 146637, 152068, 162930, 190085, 195516, 217240, 228102, 244395, 266119, 293274, 304136, 325860, 342153, 380170, 391032, 456204, 488790, 532238, 570255, 586548, 651720, 684306, 733185, 760340, 798357, 912408, 977580, 1026459, 1064476, 1140510, 1173096, 1330595, 1368612, 1466370, 1520680, 1596714, 1710765, 1955160, 2052918, 2128952, 2281020, 2395071, 2661190, 2737224, 2932740, 3193428, 3421530, 3991785, 4105836, 4562040, 4790142, 5132295, 5322380, 5865480, 6386856, 6843060, 7185213, 7983570, 8211672, 9580284, 10264590, 10644760, 11975355, 13686120, 14370426, 15967140, 19160568, 20529180, 23950710, 28740852, 31934280, 35926065, 41058360, 47901420, 57481704, 71852130, 95802840, 143704260, 287408520]

約数ペア:

[(1, 287408520), (2, 143704260), (3, 95802840), (4, 71852130), (5, 57481704), (6, 47901420), (7, 41058360), (8, 35926065), (9, 31934280), (10, 28740852), (12, 23950710), (14, 20529180), (15, 19160568), (18, 15967140), (20, 14370426), (21, 13686120), (24, 11975355), (27, 10644760), (28, 10264590), (30, 9580284), (35, 8211672), (36, 7983570), (40, 7185213), (42, 6843060), (45, 6386856), (49, 5865480), (54, 5322380), (56, 5132295), (60, 4790142), (63, 4562040), (70, 4105836), (72, 3991785), (84, 3421530), (90, 3193428), (98, 2932740), (105, 2737224), (108, 2661190), (120, 2395071), (126, 2281020), (135, 2128952), (140, 2052918), (147, 1955160), (168, 1710765), (180, 1596714), (189, 1520680), (196, 1466370), (210, 1368612), (216, 1330595), (245, 1173096), (252, 1140510), (270, 1064476), (280, 1026459), (294, 977580), (315, 912408), (360, 798357), (378, 760340), (392, 733185), (420, 684306), (441, 651720), (490, 586548), (504, 570255), (540, 532238), (588, 488790), (630, 456204), (735, 391032), (756, 380170), (840, 342153), (882, 325860), (945, 304136), (980, 293274), (1080, 266119), (1176, 244395), (1260, 228102), (1323, 217240), (1470, 195516), (1512, 190085), (1764, 162930), (1890, 152068), (1960, 146637), (2205, 130344), (2520, 114051), (2646, 108620), (2940, 97758), (3528, 81465), (3780, 76034), (4410, 65172), (5292, 54310), (5431, 52920), (5880, 48879), (6615, 43448), (7560, 38017), (8820, 32586), (10584, 27155), (10862, 26460), (13230, 21724), (16293, 17640)]