61123860

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{349}}^1$

素因数の和:510

約数の個数: 144

約数和(自身を含む): 214032000

約数和(自身を除く): 152908140

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 139, 140, 180, 210, 252, 278, 315, 349, 417, 420, 556, 630, 695, 698, 834, 973, 1047, 1251, 1260, 1390, 1396, 1668, 1745, 1946, 2085, 2094, 2443, 2502, 2780, 2919, 3141, 3490, 3892, 4170, 4188, 4865, 4886, 5004, 5235, 5838, 6255, 6282, 6980, 7329, 8340, 8757, 9730, 9772, 10470, 11676, 12215, 12510, 12564, 14595, 14658, 15705, 17514, 19460, 20940, 21987, 24430, 25020, 29190, 29316, 31410, 35028, 36645, 43785, 43974, 48511, 48860, 58380, 62820, 73290, 87570, 87948, 97022, 109935, 145533, 146580, 175140, 194044, 219870, 242555, 291066, 339577, 436599, 439740, 485110, 582132, 679154, 727665, 873198, 970220, 1018731, 1358308, 1455330, 1697885, 1746396, 2037462, 2182995, 2910660, 3056193, 3395770, 4074924, 4365990, 5093655, 6112386, 6791540, 8731980, 10187310, 12224772, 15280965, 20374620, 30561930, 61123860]

約数ペア:

[(1, 61123860), (2, 30561930), (3, 20374620), (4, 15280965), (5, 12224772), (6, 10187310), (7, 8731980), (9, 6791540), (10, 6112386), (12, 5093655), (14, 4365990), (15, 4074924), (18, 3395770), (20, 3056193), (21, 2910660), (28, 2182995), (30, 2037462), (35, 1746396), (36, 1697885), (42, 1455330), (45, 1358308), (60, 1018731), (63, 970220), (70, 873198), (84, 727665), (90, 679154), (105, 582132), (126, 485110), (139, 439740), (140, 436599), (180, 339577), (210, 291066), (252, 242555), (278, 219870), (315, 194044), (349, 175140), (417, 146580), (420, 145533), (556, 109935), (630, 97022), (695, 87948), (698, 87570), (834, 73290), (973, 62820), (1047, 58380), (1251, 48860), (1260, 48511), (1390, 43974), (1396, 43785), (1668, 36645), (1745, 35028), (1946, 31410), (2085, 29316), (2094, 29190), (2443, 25020), (2502, 24430), (2780, 21987), (2919, 20940), (3141, 19460), (3490, 17514), (3892, 15705), (4170, 14658), (4188, 14595), (4865, 12564), (4886, 12510), (5004, 12215), (5235, 11676), (5838, 10470), (6255, 9772), (6282, 9730), (6980, 8757), (7329, 8340)]