165237660

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{659}}^1$

素因数の和:880

約数の個数: 144

約数和(自身を含む): 576576000

約数和(自身を除く): 411338340

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, 140, 180, 199, 210, 252, 315, 398, 420, 597, 630, 659, 796, 995, 1194, 1260, 1318, 1393, 1791, 1977, 1990, 2388, 2636, 2786, 2985, 3295, 3582, 3954, 3980, 4179, 4613, 5572, 5931, 5970, 6590, 6965, 7164, 7908, 8358, 8955, 9226, 9885, 11862, 11940, 12537, 13180, 13839, 13930, 16716, 17910, 18452, 19770, 20895, 23065, 23724, 25074, 27678, 27860, 29655, 35820, 39540, 41517, 41790, 46130, 50148, 55356, 59310, 62685, 69195, 83034, 83580, 92260, 118620, 125370, 131141, 138390, 166068, 207585, 250740, 262282, 276780, 393423, 415170, 524564, 655705, 786846, 830340, 917987, 1180269, 1311410, 1573692, 1835974, 1967115, 2360538, 2622820, 2753961, 3671948, 3934230, 4589935, 4721076, 5507922, 5901345, 7868460, 8261883, 9179870, 11015844, 11802690, 13769805, 16523766, 18359740, 23605380, 27539610, 33047532, 41309415, 55079220, 82618830, 165237660]

約数ペア:

[(1, 165237660), (2, 82618830), (3, 55079220), (4, 41309415), (5, 33047532), (6, 27539610), (7, 23605380), (9, 18359740), (10, 16523766), (12, 13769805), (14, 11802690), (15, 11015844), (18, 9179870), (20, 8261883), (21, 7868460), (28, 5901345), (30, 5507922), (35, 4721076), (36, 4589935), (42, 3934230), (45, 3671948), (60, 2753961), (63, 2622820), (70, 2360538), (84, 1967115), (90, 1835974), (105, 1573692), (126, 1311410), (140, 1180269), (180, 917987), (199, 830340), (210, 786846), (252, 655705), (315, 524564), (398, 415170), (420, 393423), (597, 276780), (630, 262282), (659, 250740), (796, 207585), (995, 166068), (1194, 138390), (1260, 131141), (1318, 125370), (1393, 118620), (1791, 92260), (1977, 83580), (1990, 83034), (2388, 69195), (2636, 62685), (2786, 59310), (2985, 55356), (3295, 50148), (3582, 46130), (3954, 41790), (3980, 41517), (4179, 39540), (4613, 35820), (5572, 29655), (5931, 27860), (5970, 27678), (6590, 25074), (6965, 23724), (7164, 23065), (7908, 20895), (8358, 19770), (8955, 18452), (9226, 17910), (9885, 16716), (11862, 13930), (11940, 13839), (12537, 13180)]