321386520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1549}}^1$

素因数の和:1602

約数の個数: 256

約数和(自身を含む): 1249920000

約数和(自身を除く): 928533480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 19, 20, 21, 24, 26, 28, 30, 35, 38, 39, 40, 42, 52, 56, 57, 60, 65, 70, 76, 78, 84, 91, 95, 104, 105, 114, 120, 130, 133, 140, 152, 156, 168, 182, 190, 195, 210, 228, 247, 260, 266, 273, 280, 285, 312, 364, 380, 390, 399, 420, 455, 456, 494, 520, 532, 546, 570, 665, 728, 741, 760, 780, 798, 840, 910, 988, 1064, 1092, 1140, 1235, 1330, 1365, 1482, 1549, 1560, 1596, 1729, 1820, 1976, 1995, 2184, 2280, 2470, 2660, 2730, 2964, 3098, 3192, 3458, 3640, 3705, 3990, 4647, 4940, 5187, 5320, 5460, 5928, 6196, 6916, 7410, 7745, 7980, 8645, 9294, 9880, 10374, 10843, 10920, 12392, 13832, 14820, 15490, 15960, 17290, 18588, 20137, 20748, 21686, 23235, 25935, 29431, 29640, 30980, 32529, 34580, 37176, 40274, 41496, 43372, 46470, 51870, 54215, 58862, 60411, 61960, 65058, 69160, 80548, 86744, 88293, 92940, 100685, 103740, 108430, 117724, 120822, 130116, 140959, 147155, 161096, 162645, 176586, 185880, 201370, 206017, 207480, 216860, 235448, 241644, 260232, 281918, 294310, 302055, 325290, 353172, 382603, 402740, 412034, 422877, 433720, 441465, 483288, 563836, 588620, 604110, 618051, 650580, 704795, 706344, 765206, 805480, 824068, 845754, 882930, 1030085, 1127672, 1147809, 1177240, 1208220, 1236102, 1301160, 1409590, 1530412, 1648136, 1691508, 1765860, 1913015, 2060170, 2114385, 2295618, 2416440, 2472204, 2678221, 2819180, 3060824, 3090255, 3383016, 3531720, 3826030, 4120340, 4228770, 4591236, 4944408, 5356442, 5638360, 5739045, 6180510, 7652060, 8034663, 8240680, 8457540, 9182472, 10712884, 11478090, 12361020, 13391105, 15304120, 16069326, 16915080, 21425768, 22956180, 24722040, 26782210, 32138652, 40173315, 45912360, 53564420, 64277304, 80346630, 107128840, 160693260, 321386520]

約数ペア:

[(1, 321386520), (2, 160693260), (3, 107128840), (4, 80346630), (5, 64277304), (6, 53564420), (7, 45912360), (8, 40173315), (10, 32138652), (12, 26782210), (13, 24722040), (14, 22956180), (15, 21425768), (19, 16915080), (20, 16069326), (21, 15304120), (24, 13391105), (26, 12361020), (28, 11478090), (30, 10712884), (35, 9182472), (38, 8457540), (39, 8240680), (40, 8034663), (42, 7652060), (52, 6180510), (56, 5739045), (57, 5638360), (60, 5356442), (65, 4944408), (70, 4591236), (76, 4228770), (78, 4120340), (84, 3826030), (91, 3531720), (95, 3383016), (104, 3090255), (105, 3060824), (114, 2819180), (120, 2678221), (130, 2472204), (133, 2416440), (140, 2295618), (152, 2114385), (156, 2060170), (168, 1913015), (182, 1765860), (190, 1691508), (195, 1648136), (210, 1530412), (228, 1409590), (247, 1301160), (260, 1236102), (266, 1208220), (273, 1177240), (280, 1147809), (285, 1127672), (312, 1030085), (364, 882930), (380, 845754), (390, 824068), (399, 805480), (420, 765206), (455, 706344), (456, 704795), (494, 650580), (520, 618051), (532, 604110), (546, 588620), (570, 563836), (665, 483288), (728, 441465), (741, 433720), (760, 422877), (780, 412034), (798, 402740), (840, 382603), (910, 353172), (988, 325290), (1064, 302055), (1092, 294310), (1140, 281918), (1235, 260232), (1330, 241644), (1365, 235448), (1482, 216860), (1549, 207480), (1560, 206017), (1596, 201370), (1729, 185880), (1820, 176586), (1976, 162645), (1995, 161096), (2184, 147155), (2280, 140959), (2470, 130116), (2660, 120822), (2730, 117724), (2964, 108430), (3098, 103740), (3192, 100685), (3458, 92940), (3640, 88293), (3705, 86744), (3990, 80548), (4647, 69160), (4940, 65058), (5187, 61960), (5320, 60411), (5460, 58862), (5928, 54215), (6196, 51870), (6916, 46470), (7410, 43372), (7745, 41496), (7980, 40274), (8645, 37176), (9294, 34580), (9880, 32529), (10374, 30980), (10843, 29640), (10920, 29431), (12392, 25935), (13832, 23235), (14820, 21686), (15490, 20748), (15960, 20137), (17290, 18588)]