67206420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{457}}^1$

素因数の和:534

約数の個数: 144

約数和(自身を含む): 220059840

約数和(自身を除く): 152853420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 43, 45, 57, 60, 76, 86, 90, 95, 114, 129, 171, 172, 180, 190, 215, 228, 258, 285, 342, 380, 387, 430, 457, 516, 570, 645, 684, 774, 817, 855, 860, 914, 1140, 1290, 1371, 1548, 1634, 1710, 1828, 1935, 2285, 2451, 2580, 2742, 3268, 3420, 3870, 4085, 4113, 4570, 4902, 5484, 6855, 7353, 7740, 8170, 8226, 8683, 9140, 9804, 12255, 13710, 14706, 16340, 16452, 17366, 19651, 20565, 24510, 26049, 27420, 29412, 34732, 36765, 39302, 41130, 43415, 49020, 52098, 58953, 73530, 78147, 78604, 82260, 86830, 98255, 104196, 117906, 130245, 147060, 156294, 173660, 176859, 196510, 235812, 260490, 294765, 312588, 353718, 373369, 390735, 393020, 520980, 589530, 707436, 746738, 781470, 884295, 1120107, 1179060, 1493476, 1562940, 1768590, 1866845, 2240214, 3360321, 3537180, 3733690, 4480428, 5600535, 6720642, 7467380, 11201070, 13441284, 16801605, 22402140, 33603210, 67206420]

約数ペア:

[(1, 67206420), (2, 33603210), (3, 22402140), (4, 16801605), (5, 13441284), (6, 11201070), (9, 7467380), (10, 6720642), (12, 5600535), (15, 4480428), (18, 3733690), (19, 3537180), (20, 3360321), (30, 2240214), (36, 1866845), (38, 1768590), (43, 1562940), (45, 1493476), (57, 1179060), (60, 1120107), (76, 884295), (86, 781470), (90, 746738), (95, 707436), (114, 589530), (129, 520980), (171, 393020), (172, 390735), (180, 373369), (190, 353718), (215, 312588), (228, 294765), (258, 260490), (285, 235812), (342, 196510), (380, 176859), (387, 173660), (430, 156294), (457, 147060), (516, 130245), (570, 117906), (645, 104196), (684, 98255), (774, 86830), (817, 82260), (855, 78604), (860, 78147), (914, 73530), (1140, 58953), (1290, 52098), (1371, 49020), (1548, 43415), (1634, 41130), (1710, 39302), (1828, 36765), (1935, 34732), (2285, 29412), (2451, 27420), (2580, 26049), (2742, 24510), (3268, 20565), (3420, 19651), (3870, 17366), (4085, 16452), (4113, 16340), (4570, 14706), (4902, 13710), (5484, 12255), (6855, 9804), (7353, 9140), (7740, 8683), (8170, 8226)]