261889920

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2393}}^1$

素因数の和:2437

約数の個数: 192

約数和(自身を含む): 952333200

約数和(自身を除く): 690443280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 32, 36, 38, 40, 45, 48, 57, 60, 64, 72, 76, 80, 90, 95, 96, 114, 120, 128, 144, 152, 160, 171, 180, 190, 192, 228, 240, 285, 288, 304, 320, 342, 360, 380, 384, 456, 480, 570, 576, 608, 640, 684, 720, 760, 855, 912, 960, 1140, 1152, 1216, 1368, 1440, 1520, 1710, 1824, 1920, 2280, 2393, 2432, 2736, 2880, 3040, 3420, 3648, 4560, 4786, 5472, 5760, 6080, 6840, 7179, 7296, 9120, 9572, 10944, 11965, 12160, 13680, 14358, 18240, 19144, 21537, 21888, 23930, 27360, 28716, 35895, 36480, 38288, 43074, 45467, 47860, 54720, 57432, 71790, 76576, 86148, 90934, 95720, 107685, 109440, 114864, 136401, 143580, 153152, 172296, 181868, 191440, 215370, 227335, 229728, 272802, 287160, 306304, 344592, 363736, 382880, 409203, 430740, 454670, 459456, 545604, 574320, 682005, 689184, 727472, 765760, 818406, 861480, 909340, 918912, 1091208, 1148640, 1364010, 1378368, 1454944, 1531520, 1636812, 1722960, 1818680, 2046015, 2182416, 2297280, 2728020, 2756736, 2909888, 3273624, 3445920, 3637360, 4092030, 4364832, 4594560, 5456040, 5819776, 6547248, 6891840, 7274720, 8184060, 8729664, 10912080, 13094496, 13783680, 14549440, 16368120, 17459328, 21824160, 26188992, 29098880, 32736240, 43648320, 52377984, 65472480, 87296640, 130944960, 261889920]

約数ペア:

[(1, 261889920), (2, 130944960), (3, 87296640), (4, 65472480), (5, 52377984), (6, 43648320), (8, 32736240), (9, 29098880), (10, 26188992), (12, 21824160), (15, 17459328), (16, 16368120), (18, 14549440), (19, 13783680), (20, 13094496), (24, 10912080), (30, 8729664), (32, 8184060), (36, 7274720), (38, 6891840), (40, 6547248), (45, 5819776), (48, 5456040), (57, 4594560), (60, 4364832), (64, 4092030), (72, 3637360), (76, 3445920), (80, 3273624), (90, 2909888), (95, 2756736), (96, 2728020), (114, 2297280), (120, 2182416), (128, 2046015), (144, 1818680), (152, 1722960), (160, 1636812), (171, 1531520), (180, 1454944), (190, 1378368), (192, 1364010), (228, 1148640), (240, 1091208), (285, 918912), (288, 909340), (304, 861480), (320, 818406), (342, 765760), (360, 727472), (380, 689184), (384, 682005), (456, 574320), (480, 545604), (570, 459456), (576, 454670), (608, 430740), (640, 409203), (684, 382880), (720, 363736), (760, 344592), (855, 306304), (912, 287160), (960, 272802), (1140, 229728), (1152, 227335), (1216, 215370), (1368, 191440), (1440, 181868), (1520, 172296), (1710, 153152), (1824, 143580), (1920, 136401), (2280, 114864), (2393, 109440), (2432, 107685), (2736, 95720), (2880, 90934), (3040, 86148), (3420, 76576), (3648, 71790), (4560, 57432), (4786, 54720), (5472, 47860), (5760, 45467), (6080, 43074), (6840, 38288), (7179, 36480), (7296, 35895), (9120, 28716), (9572, 27360), (10944, 23930), (11965, 21888), (12160, 21537), (13680, 19144), (14358, 18240)]