212451720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{8011}}^1$

素因数の和:8055

約数の個数: 128

約数和(自身を含む): 726848640

約数和(自身を除く): 514396920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 17, 20, 24, 26, 30, 34, 39, 40, 51, 52, 60, 65, 68, 78, 85, 102, 104, 120, 130, 136, 156, 170, 195, 204, 221, 255, 260, 312, 340, 390, 408, 442, 510, 520, 663, 680, 780, 884, 1020, 1105, 1326, 1560, 1768, 2040, 2210, 2652, 3315, 4420, 5304, 6630, 8011, 8840, 13260, 16022, 24033, 26520, 32044, 40055, 48066, 64088, 80110, 96132, 104143, 120165, 136187, 160220, 192264, 208286, 240330, 272374, 312429, 320440, 408561, 416572, 480660, 520715, 544748, 624858, 680935, 817122, 833144, 961320, 1041430, 1089496, 1249716, 1361870, 1562145, 1634244, 1770431, 2042805, 2082860, 2499432, 2723740, 3124290, 3268488, 3540862, 4085610, 4165720, 5311293, 5447480, 6248580, 7081724, 8171220, 8852155, 10622586, 12497160, 14163448, 16342440, 17704310, 21245172, 26556465, 35408620, 42490344, 53112930, 70817240, 106225860, 212451720]

約数ペア:

[(1, 212451720), (2, 106225860), (3, 70817240), (4, 53112930), (5, 42490344), (6, 35408620), (8, 26556465), (10, 21245172), (12, 17704310), (13, 16342440), (15, 14163448), (17, 12497160), (20, 10622586), (24, 8852155), (26, 8171220), (30, 7081724), (34, 6248580), (39, 5447480), (40, 5311293), (51, 4165720), (52, 4085610), (60, 3540862), (65, 3268488), (68, 3124290), (78, 2723740), (85, 2499432), (102, 2082860), (104, 2042805), (120, 1770431), (130, 1634244), (136, 1562145), (156, 1361870), (170, 1249716), (195, 1089496), (204, 1041430), (221, 961320), (255, 833144), (260, 817122), (312, 680935), (340, 624858), (390, 544748), (408, 520715), (442, 480660), (510, 416572), (520, 408561), (663, 320440), (680, 312429), (780, 272374), (884, 240330), (1020, 208286), (1105, 192264), (1326, 160220), (1560, 136187), (1768, 120165), (2040, 104143), (2210, 96132), (2652, 80110), (3315, 64088), (4420, 48066), (5304, 40055), (6630, 32044), (8011, 26520), (8840, 24033), (13260, 16022)]