61564860

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:178

約数の個数: 240

約数和(自身を含む): 226860480

約数和(自身を除く): 165295620

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 61, 63, 70, 81, 84, 89, 90, 105, 108, 122, 126, 135, 140, 162, 178, 180, 183, 189, 210, 244, 252, 267, 270, 305, 315, 324, 356, 366, 378, 405, 420, 427, 445, 534, 540, 549, 567, 610, 623, 630, 732, 756, 801, 810, 854, 890, 915, 945, 1068, 1098, 1134, 1220, 1246, 1260, 1281, 1335, 1602, 1620, 1647, 1708, 1780, 1830, 1869, 1890, 2135, 2196, 2268, 2403, 2492, 2562, 2670, 2745, 2835, 3115, 3204, 3294, 3660, 3738, 3780, 3843, 4005, 4270, 4806, 4941, 5124, 5340, 5429, 5490, 5607, 5670, 6230, 6405, 6588, 7209, 7476, 7686, 8010, 8235, 8540, 9345, 9612, 9882, 10858, 10980, 11214, 11340, 11529, 12015, 12460, 12810, 14418, 15372, 16020, 16287, 16470, 16821, 18690, 19215, 19764, 21716, 22428, 23058, 24030, 24705, 25620, 27145, 28035, 28836, 32574, 32940, 33642, 34587, 36045, 37380, 38003, 38430, 46116, 48060, 48861, 49410, 50463, 54290, 56070, 57645, 65148, 67284, 69174, 72090, 76006, 76860, 81435, 84105, 97722, 98820, 100926, 108580, 112140, 114009, 115290, 138348, 144180, 146583, 152012, 162870, 168210, 172935, 190015, 195444, 201852, 228018, 230580, 244305, 252315, 293166, 325740, 336420, 342027, 345870, 380030, 439749, 456036, 488610, 504630, 570045, 586332, 684054, 691740, 732915, 760060, 879498, 977220, 1009260, 1026081, 1140090, 1368108, 1465830, 1710135, 1758996, 2052162, 2198745, 2280180, 2931660, 3078243, 3420270, 4104324, 4397490, 5130405, 6156486, 6840540, 8794980, 10260810, 12312972, 15391215, 20521620, 30782430, 61564860]

約数ペア:

[(1, 61564860), (2, 30782430), (3, 20521620), (4, 15391215), (5, 12312972), (6, 10260810), (7, 8794980), (9, 6840540), (10, 6156486), (12, 5130405), (14, 4397490), (15, 4104324), (18, 3420270), (20, 3078243), (21, 2931660), (27, 2280180), (28, 2198745), (30, 2052162), (35, 1758996), (36, 1710135), (42, 1465830), (45, 1368108), (54, 1140090), (60, 1026081), (61, 1009260), (63, 977220), (70, 879498), (81, 760060), (84, 732915), (89, 691740), (90, 684054), (105, 586332), (108, 570045), (122, 504630), (126, 488610), (135, 456036), (140, 439749), (162, 380030), (178, 345870), (180, 342027), (183, 336420), (189, 325740), (210, 293166), (244, 252315), (252, 244305), (267, 230580), (270, 228018), (305, 201852), (315, 195444), (324, 190015), (356, 172935), (366, 168210), (378, 162870), (405, 152012), (420, 146583), (427, 144180), (445, 138348), (534, 115290), (540, 114009), (549, 112140), (567, 108580), (610, 100926), (623, 98820), (630, 97722), (732, 84105), (756, 81435), (801, 76860), (810, 76006), (854, 72090), (890, 69174), (915, 67284), (945, 65148), (1068, 57645), (1098, 56070), (1134, 54290), (1220, 50463), (1246, 49410), (1260, 48861), (1281, 48060), (1335, 46116), (1602, 38430), (1620, 38003), (1647, 37380), (1708, 36045), (1780, 34587), (1830, 33642), (1869, 32940), (1890, 32574), (2135, 28836), (2196, 28035), (2268, 27145), (2403, 25620), (2492, 24705), (2562, 24030), (2670, 23058), (2745, 22428), (2835, 21716), (3115, 19764), (3204, 19215), (3294, 18690), (3660, 16821), (3738, 16470), (3780, 16287), (3843, 16020), (4005, 15372), (4270, 14418), (4806, 12810), (4941, 12460), (5124, 12015), (5340, 11529), (5429, 11340), (5490, 11214), (5607, 10980), (5670, 10858), (6230, 9882), (6405, 9612), (6588, 9345), (7209, 8540), (7476, 8235), (7686, 8010)]