1371443720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:208

約数の個数: 192

約数和(自身を含む): 3501273600

約数和(自身を除く): 2129829880

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 31, 34, 40, 43, 62, 68, 85, 86, 89, 124, 136, 155, 170, 172, 178, 215, 248, 289, 310, 340, 344, 356, 430, 445, 527, 578, 620, 680, 712, 731, 860, 890, 1054, 1156, 1240, 1333, 1445, 1462, 1513, 1720, 1780, 2108, 2312, 2635, 2666, 2759, 2890, 2924, 3026, 3560, 3655, 3827, 4216, 5270, 5332, 5518, 5780, 5848, 6052, 6665, 7310, 7565, 7654, 8959, 10540, 10664, 11036, 11560, 12104, 12427, 13330, 13795, 14620, 15130, 15308, 17918, 19135, 21080, 22072, 22661, 24854, 25721, 26660, 27590, 29240, 30260, 30616, 35836, 38270, 44795, 45322, 46903, 49708, 51442, 53320, 55180, 60520, 62135, 65059, 71672, 76540, 89590, 90644, 93806, 99416, 102884, 110360, 113305, 118637, 124270, 128605, 130118, 153080, 179180, 181288, 187612, 205768, 226610, 234515, 237274, 248540, 257210, 260236, 325295, 358360, 375224, 385237, 453220, 469030, 474548, 497080, 514420, 520472, 593185, 650590, 770474, 797351, 906440, 938060, 949096, 1028840, 1106003, 1186370, 1301180, 1540948, 1594702, 1876120, 1926185, 2016829, 2212006, 2372740, 2602360, 3081896, 3189404, 3852370, 3986755, 4033658, 4424012, 4745480, 5530015, 6378808, 7704740, 7973510, 8067316, 8848024, 10084145, 11060030, 15409480, 15947020, 16134632, 20168290, 22120060, 31894040, 34286093, 40336580, 44240120, 68572186, 80673160, 137144372, 171430465, 274288744, 342860930, 685721860, 1371443720]

約数ペア:

[(1, 1371443720), (2, 685721860), (4, 342860930), (5, 274288744), (8, 171430465), (10, 137144372), (17, 80673160), (20, 68572186), (31, 44240120), (34, 40336580), (40, 34286093), (43, 31894040), (62, 22120060), (68, 20168290), (85, 16134632), (86, 15947020), (89, 15409480), (124, 11060030), (136, 10084145), (155, 8848024), (170, 8067316), (172, 7973510), (178, 7704740), (215, 6378808), (248, 5530015), (289, 4745480), (310, 4424012), (340, 4033658), (344, 3986755), (356, 3852370), (430, 3189404), (445, 3081896), (527, 2602360), (578, 2372740), (620, 2212006), (680, 2016829), (712, 1926185), (731, 1876120), (860, 1594702), (890, 1540948), (1054, 1301180), (1156, 1186370), (1240, 1106003), (1333, 1028840), (1445, 949096), (1462, 938060), (1513, 906440), (1720, 797351), (1780, 770474), (2108, 650590), (2312, 593185), (2635, 520472), (2666, 514420), (2759, 497080), (2890, 474548), (2924, 469030), (3026, 453220), (3560, 385237), (3655, 375224), (3827, 358360), (4216, 325295), (5270, 260236), (5332, 257210), (5518, 248540), (5780, 237274), (5848, 234515), (6052, 226610), (6665, 205768), (7310, 187612), (7565, 181288), (7654, 179180), (8959, 153080), (10540, 130118), (10664, 128605), (11036, 124270), (11560, 118637), (12104, 113305), (12427, 110360), (13330, 102884), (13795, 99416), (14620, 93806), (15130, 90644), (15308, 89590), (17918, 76540), (19135, 71672), (21080, 65059), (22072, 62135), (22661, 60520), (24854, 55180), (25721, 53320), (26660, 51442), (27590, 49708), (29240, 46903), (30260, 45322), (30616, 44795), (35836, 38270)]