30897720

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:155

約数の個数: 256

約数和(自身を含む): 121420800

約数和(自身を除く): 90523080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 61, 63, 67, 70, 72, 84, 90, 105, 108, 120, 122, 126, 134, 135, 140, 168, 180, 183, 189, 201, 210, 216, 244, 252, 268, 270, 280, 305, 315, 335, 360, 366, 378, 402, 420, 427, 469, 488, 504, 536, 540, 549, 603, 610, 630, 670, 732, 756, 804, 840, 854, 915, 938, 945, 1005, 1080, 1098, 1206, 1220, 1260, 1281, 1340, 1407, 1464, 1512, 1608, 1647, 1708, 1809, 1830, 1876, 1890, 2010, 2135, 2196, 2345, 2412, 2440, 2520, 2562, 2680, 2745, 2814, 3015, 3294, 3416, 3618, 3660, 3752, 3780, 3843, 4020, 4087, 4221, 4270, 4392, 4690, 4824, 5124, 5490, 5628, 6030, 6405, 6588, 7035, 7236, 7320, 7560, 7686, 8040, 8174, 8235, 8442, 8540, 9045, 9380, 10248, 10980, 11256, 11529, 12060, 12261, 12663, 12810, 13176, 14070, 14472, 15372, 16348, 16470, 16884, 17080, 18090, 18760, 19215, 20435, 21105, 21960, 23058, 24120, 24522, 25326, 25620, 28140, 28609, 30744, 32696, 32940, 33768, 36180, 36783, 38430, 40870, 42210, 46116, 49044, 50652, 51240, 56280, 57218, 57645, 61305, 63315, 65880, 72360, 73566, 76860, 81740, 84420, 85827, 92232, 98088, 101304, 110349, 114436, 115290, 122610, 126630, 143045, 147132, 153720, 163480, 168840, 171654, 183915, 220698, 228872, 230580, 245220, 253260, 257481, 286090, 294264, 343308, 367830, 429135, 441396, 461160, 490440, 506520, 514962, 551745, 572180, 686616, 735660, 772443, 858270, 882792, 1029924, 1103490, 1144360, 1287405, 1471320, 1544886, 1716540, 2059848, 2206980, 2574810, 3089772, 3433080, 3862215, 4413960, 5149620, 6179544, 7724430, 10299240, 15448860, 30897720]

約数ペア:

[(1, 30897720), (2, 15448860), (3, 10299240), (4, 7724430), (5, 6179544), (6, 5149620), (7, 4413960), (8, 3862215), (9, 3433080), (10, 3089772), (12, 2574810), (14, 2206980), (15, 2059848), (18, 1716540), (20, 1544886), (21, 1471320), (24, 1287405), (27, 1144360), (28, 1103490), (30, 1029924), (35, 882792), (36, 858270), (40, 772443), (42, 735660), (45, 686616), (54, 572180), (56, 551745), (60, 514962), (61, 506520), (63, 490440), (67, 461160), (70, 441396), (72, 429135), (84, 367830), (90, 343308), (105, 294264), (108, 286090), (120, 257481), (122, 253260), (126, 245220), (134, 230580), (135, 228872), (140, 220698), (168, 183915), (180, 171654), (183, 168840), (189, 163480), (201, 153720), (210, 147132), (216, 143045), (244, 126630), (252, 122610), (268, 115290), (270, 114436), (280, 110349), (305, 101304), (315, 98088), (335, 92232), (360, 85827), (366, 84420), (378, 81740), (402, 76860), (420, 73566), (427, 72360), (469, 65880), (488, 63315), (504, 61305), (536, 57645), (540, 57218), (549, 56280), (603, 51240), (610, 50652), (630, 49044), (670, 46116), (732, 42210), (756, 40870), (804, 38430), (840, 36783), (854, 36180), (915, 33768), (938, 32940), (945, 32696), (1005, 30744), (1080, 28609), (1098, 28140), (1206, 25620), (1220, 25326), (1260, 24522), (1281, 24120), (1340, 23058), (1407, 21960), (1464, 21105), (1512, 20435), (1608, 19215), (1647, 18760), (1708, 18090), (1809, 17080), (1830, 16884), (1876, 16470), (1890, 16348), (2010, 15372), (2135, 14472), (2196, 14070), (2345, 13176), (2412, 12810), (2440, 12663), (2520, 12261), (2562, 12060), (2680, 11529), (2745, 11256), (2814, 10980), (3015, 10248), (3294, 9380), (3416, 9045), (3618, 8540), (3660, 8442), (3752, 8235), (3780, 8174), (3843, 8040), (4020, 7686), (4087, 7560), (4221, 7320), (4270, 7236), (4392, 7035), (4690, 6588), (4824, 6405), (5124, 6030), (5490, 5628)]