1290093840

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{255971}}^1$

素因数の和:255997

約数の個数: 120

約数和(自身を含む): 4951522368

約数和(自身を除く): 3661428528

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 255971, 511942, 767913, 1023884, 1279855, 1535826, 1791797, 2047768, 2303739, 2559710, 3071652, 3583594, 3839565, 4095536, 4607478, 5119420, 5375391, 6143304, 7167188, 7679130, 8958985, 9214956, 10238840, 10750782, 11518695, 12286608, 14334376, 15358260, 16126173, 17917970, 18429912, 20477680, 21501564, 23037390, 26876955, 28668752, 30716520, 32252346, 35835940, 36859824, 43003128, 46074780, 53753910, 61433040, 64504692, 71671880, 80630865, 86006256, 92149560, 107507820, 129009384, 143343760, 161261730, 184299120, 215015640, 258018768, 322523460, 430031280, 645046920, 1290093840]

約数ペア:

[(1, 1290093840), (2, 645046920), (3, 430031280), (4, 322523460), (5, 258018768), (6, 215015640), (7, 184299120), (8, 161261730), (9, 143343760), (10, 129009384), (12, 107507820), (14, 92149560), (15, 86006256), (16, 80630865), (18, 71671880), (20, 64504692), (21, 61433040), (24, 53753910), (28, 46074780), (30, 43003128), (35, 36859824), (36, 35835940), (40, 32252346), (42, 30716520), (45, 28668752), (48, 26876955), (56, 23037390), (60, 21501564), (63, 20477680), (70, 18429912), (72, 17917970), (80, 16126173), (84, 15358260), (90, 14334376), (105, 12286608), (112, 11518695), (120, 10750782), (126, 10238840), (140, 9214956), (144, 8958985), (168, 7679130), (180, 7167188), (210, 6143304), (240, 5375391), (252, 5119420), (280, 4607478), (315, 4095536), (336, 3839565), (360, 3583594), (420, 3071652), (504, 2559710), (560, 2303739), (630, 2047768), (720, 1791797), (840, 1535826), (1008, 1279855), (1260, 1023884), (1680, 767913), (2520, 511942), (5040, 255971)]