287697960

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{397}}^1$

素因数の和:489

約数の個数: 256

約数和(自身を含む): 1066003200

約数和(自身を除く): 778305240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 27, 30, 33, 36, 40, 44, 45, 54, 55, 60, 61, 66, 72, 88, 90, 99, 108, 110, 120, 122, 132, 135, 165, 180, 183, 198, 216, 220, 244, 264, 270, 297, 305, 330, 360, 366, 396, 397, 440, 488, 495, 540, 549, 594, 610, 660, 671, 732, 792, 794, 915, 990, 1080, 1098, 1188, 1191, 1220, 1320, 1342, 1464, 1485, 1588, 1647, 1830, 1980, 1985, 2013, 2196, 2376, 2382, 2440, 2684, 2745, 2970, 3176, 3294, 3355, 3573, 3660, 3960, 3970, 4026, 4367, 4392, 4764, 5368, 5490, 5940, 5955, 6039, 6588, 6710, 7146, 7320, 7940, 8052, 8235, 8734, 9528, 10065, 10719, 10980, 11880, 11910, 12078, 13101, 13176, 13420, 14292, 15880, 16104, 16470, 17468, 17865, 18117, 20130, 21438, 21835, 21960, 23820, 24156, 24217, 26202, 26840, 28584, 30195, 32940, 34936, 35730, 36234, 39303, 40260, 42876, 43670, 47640, 48312, 48434, 52404, 53595, 60390, 65505, 65880, 71460, 72468, 72651, 78606, 80520, 85752, 87340, 90585, 96868, 104808, 107190, 117909, 120780, 121085, 131010, 142920, 144936, 145302, 157212, 174680, 181170, 193736, 196515, 214380, 217953, 235818, 241560, 242170, 262020, 266387, 290604, 314424, 362340, 363255, 393030, 428760, 435906, 471636, 484340, 524040, 532774, 581208, 589545, 653859, 724680, 726510, 786060, 799161, 871812, 943272, 968680, 1065548, 1089765, 1179090, 1307718, 1331935, 1453020, 1572120, 1598322, 1743624, 2131096, 2179530, 2358180, 2397483, 2615436, 2663870, 2906040, 3196644, 3269295, 3995805, 4359060, 4716360, 4794966, 5230872, 5327740, 6393288, 6538590, 7192449, 7991610, 8718120, 9589932, 10655480, 11987415, 13077180, 14384898, 15983220, 19179864, 23974830, 26154360, 28769796, 31966440, 35962245, 47949660, 57539592, 71924490, 95899320, 143848980, 287697960]

約数ペア:

[(1, 287697960), (2, 143848980), (3, 95899320), (4, 71924490), (5, 57539592), (6, 47949660), (8, 35962245), (9, 31966440), (10, 28769796), (11, 26154360), (12, 23974830), (15, 19179864), (18, 15983220), (20, 14384898), (22, 13077180), (24, 11987415), (27, 10655480), (30, 9589932), (33, 8718120), (36, 7991610), (40, 7192449), (44, 6538590), (45, 6393288), (54, 5327740), (55, 5230872), (60, 4794966), (61, 4716360), (66, 4359060), (72, 3995805), (88, 3269295), (90, 3196644), (99, 2906040), (108, 2663870), (110, 2615436), (120, 2397483), (122, 2358180), (132, 2179530), (135, 2131096), (165, 1743624), (180, 1598322), (183, 1572120), (198, 1453020), (216, 1331935), (220, 1307718), (244, 1179090), (264, 1089765), (270, 1065548), (297, 968680), (305, 943272), (330, 871812), (360, 799161), (366, 786060), (396, 726510), (397, 724680), (440, 653859), (488, 589545), (495, 581208), (540, 532774), (549, 524040), (594, 484340), (610, 471636), (660, 435906), (671, 428760), (732, 393030), (792, 363255), (794, 362340), (915, 314424), (990, 290604), (1080, 266387), (1098, 262020), (1188, 242170), (1191, 241560), (1220, 235818), (1320, 217953), (1342, 214380), (1464, 196515), (1485, 193736), (1588, 181170), (1647, 174680), (1830, 157212), (1980, 145302), (1985, 144936), (2013, 142920), (2196, 131010), (2376, 121085), (2382, 120780), (2440, 117909), (2684, 107190), (2745, 104808), (2970, 96868), (3176, 90585), (3294, 87340), (3355, 85752), (3573, 80520), (3660, 78606), (3960, 72651), (3970, 72468), (4026, 71460), (4367, 65880), (4392, 65505), (4764, 60390), (5368, 53595), (5490, 52404), (5940, 48434), (5955, 48312), (6039, 47640), (6588, 43670), (6710, 42876), (7146, 40260), (7320, 39303), (7940, 36234), (8052, 35730), (8235, 34936), (8734, 32940), (9528, 30195), (10065, 28584), (10719, 26840), (10980, 26202), (11880, 24217), (11910, 24156), (12078, 23820), (13101, 21960), (13176, 21835), (13420, 21438), (14292, 20130), (15880, 18117), (16104, 17865), (16470, 17468)]