1578201660

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{491}}^1\times {\mathrm{2551}}^1$

素因数の和:3064

約数の個数: 144

約数和(自身を含む): 5484390912

約数和(自身を除く): 3906189252

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, 210, 252, 315, 420, 491, 630, 982, 1260, 1473, 1964, 2455, 2551, 2946, 3437, 4419, 4910, 5102, 5892, 6874, 7365, 7653, 8838, 9820, 10204, 10311, 12755, 13748, 14730, 15306, 17185, 17676, 17857, 20622, 22095, 22959, 25510, 29460, 30612, 30933, 34370, 35714, 38265, 41244, 44190, 45918, 51020, 51555, 53571, 61866, 68740, 71428, 76530, 88380, 89285, 91836, 103110, 107142, 114795, 123732, 153060, 154665, 160713, 178570, 206220, 214284, 229590, 267855, 309330, 321426, 357140, 459180, 535710, 618660, 642852, 803565, 1071420, 1252541, 1607130, 2505082, 3214260, 3757623, 5010164, 6262705, 7515246, 8767787, 11272869, 12525410, 15030492, 17535574, 18788115, 22545738, 25050820, 26303361, 35071148, 37576230, 43838935, 45091476, 52606722, 56364345, 75152460, 78910083, 87677870, 105213444, 112728690, 131516805, 157820166, 175355740, 225457380, 263033610, 315640332, 394550415, 526067220, 789100830, 1578201660]

約数ペア:

[(1, 1578201660), (2, 789100830), (3, 526067220), (4, 394550415), (5, 315640332), (6, 263033610), (7, 225457380), (9, 175355740), (10, 157820166), (12, 131516805), (14, 112728690), (15, 105213444), (18, 87677870), (20, 78910083), (21, 75152460), (28, 56364345), (30, 52606722), (35, 45091476), (36, 43838935), (42, 37576230), (45, 35071148), (60, 26303361), (63, 25050820), (70, 22545738), (84, 18788115), (90, 17535574), (105, 15030492), (126, 12525410), (140, 11272869), (180, 8767787), (210, 7515246), (252, 6262705), (315, 5010164), (420, 3757623), (491, 3214260), (630, 2505082), (982, 1607130), (1260, 1252541), (1473, 1071420), (1964, 803565), (2455, 642852), (2551, 618660), (2946, 535710), (3437, 459180), (4419, 357140), (4910, 321426), (5102, 309330), (5892, 267855), (6874, 229590), (7365, 214284), (7653, 206220), (8838, 178570), (9820, 160713), (10204, 154665), (10311, 153060), (12755, 123732), (13748, 114795), (14730, 107142), (15306, 103110), (17185, 91836), (17676, 89285), (17857, 88380), (20622, 76530), (22095, 71428), (22959, 68740), (25510, 61866), (29460, 53571), (30612, 51555), (30933, 51020), (34370, 45918), (35714, 44190), (38265, 41244)]