68456640

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{167}}^1$

素因数の和:255

約数の個数: 224

約数和(自身を含む): 253983744

約数和(自身を除く): 185527104

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 61, 64, 70, 80, 84, 96, 105, 112, 120, 122, 140, 160, 167, 168, 183, 192, 210, 224, 240, 244, 280, 305, 320, 334, 336, 366, 420, 427, 448, 480, 488, 501, 560, 610, 668, 672, 732, 835, 840, 854, 915, 960, 976, 1002, 1120, 1169, 1220, 1281, 1336, 1344, 1464, 1670, 1680, 1708, 1830, 1952, 2004, 2135, 2240, 2338, 2440, 2505, 2562, 2672, 2928, 3340, 3360, 3416, 3507, 3660, 3904, 4008, 4270, 4676, 4880, 5010, 5124, 5344, 5845, 5856, 6405, 6680, 6720, 6832, 7014, 7320, 8016, 8540, 9352, 9760, 10020, 10187, 10248, 10688, 11690, 11712, 12810, 13360, 13664, 14028, 14640, 16032, 17080, 17535, 18704, 19520, 20040, 20374, 20496, 23380, 25620, 26720, 27328, 28056, 29280, 30561, 32064, 34160, 35070, 37408, 40080, 40748, 40992, 46760, 50935, 51240, 53440, 56112, 58560, 61122, 68320, 70140, 71309, 74816, 80160, 81496, 81984, 93520, 101870, 102480, 112224, 122244, 136640, 140280, 142618, 152805, 160320, 162992, 187040, 203740, 204960, 213927, 224448, 244488, 280560, 285236, 305610, 325984, 356545, 374080, 407480, 409920, 427854, 488976, 561120, 570472, 611220, 651968, 713090, 814960, 855708, 977952, 1069635, 1122240, 1140944, 1222440, 1426180, 1629920, 1711416, 1955904, 2139270, 2281888, 2444880, 2852360, 3259840, 3422832, 4278540, 4563776, 4889760, 5704720, 6845664, 8557080, 9779520, 11409440, 13691328, 17114160, 22818880, 34228320, 68456640]

約数ペア:

[(1, 68456640), (2, 34228320), (3, 22818880), (4, 17114160), (5, 13691328), (6, 11409440), (7, 9779520), (8, 8557080), (10, 6845664), (12, 5704720), (14, 4889760), (15, 4563776), (16, 4278540), (20, 3422832), (21, 3259840), (24, 2852360), (28, 2444880), (30, 2281888), (32, 2139270), (35, 1955904), (40, 1711416), (42, 1629920), (48, 1426180), (56, 1222440), (60, 1140944), (61, 1122240), (64, 1069635), (70, 977952), (80, 855708), (84, 814960), (96, 713090), (105, 651968), (112, 611220), (120, 570472), (122, 561120), (140, 488976), (160, 427854), (167, 409920), (168, 407480), (183, 374080), (192, 356545), (210, 325984), (224, 305610), (240, 285236), (244, 280560), (280, 244488), (305, 224448), (320, 213927), (334, 204960), (336, 203740), (366, 187040), (420, 162992), (427, 160320), (448, 152805), (480, 142618), (488, 140280), (501, 136640), (560, 122244), (610, 112224), (668, 102480), (672, 101870), (732, 93520), (835, 81984), (840, 81496), (854, 80160), (915, 74816), (960, 71309), (976, 70140), (1002, 68320), (1120, 61122), (1169, 58560), (1220, 56112), (1281, 53440), (1336, 51240), (1344, 50935), (1464, 46760), (1670, 40992), (1680, 40748), (1708, 40080), (1830, 37408), (1952, 35070), (2004, 34160), (2135, 32064), (2240, 30561), (2338, 29280), (2440, 28056), (2505, 27328), (2562, 26720), (2672, 25620), (2928, 23380), (3340, 20496), (3360, 20374), (3416, 20040), (3507, 19520), (3660, 18704), (3904, 17535), (4008, 17080), (4270, 16032), (4676, 14640), (4880, 14028), (5010, 13664), (5124, 13360), (5344, 12810), (5845, 11712), (5856, 11690), (6405, 10688), (6680, 10248), (6720, 10187), (6832, 10020), (7014, 9760), (7320, 9352), (8016, 8540)]