131400320

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{179}}^1$

素因数の和:266

約数の個数: 128

約数和(自身を含む): 334886400

約数和(自身を除く): 203486080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 37, 40, 62, 64, 74, 80, 124, 128, 148, 155, 160, 179, 185, 248, 296, 310, 320, 358, 370, 496, 592, 620, 640, 716, 740, 895, 992, 1147, 1184, 1240, 1432, 1480, 1790, 1984, 2294, 2368, 2480, 2864, 2960, 3580, 3968, 4588, 4736, 4960, 5549, 5728, 5735, 5920, 6623, 7160, 9176, 9920, 11098, 11456, 11470, 11840, 13246, 14320, 18352, 19840, 22196, 22912, 22940, 23680, 26492, 27745, 28640, 33115, 36704, 44392, 45880, 52984, 55490, 57280, 66230, 73408, 88784, 91760, 105968, 110980, 114560, 132460, 146816, 177568, 183520, 205313, 211936, 221960, 264920, 355136, 367040, 410626, 423872, 443920, 529840, 710272, 734080, 821252, 847744, 887840, 1026565, 1059680, 1642504, 1775680, 2053130, 2119360, 3285008, 3551360, 4106260, 4238720, 6570016, 8212520, 13140032, 16425040, 26280064, 32850080, 65700160, 131400320]

約数ペア:

[(1, 131400320), (2, 65700160), (4, 32850080), (5, 26280064), (8, 16425040), (10, 13140032), (16, 8212520), (20, 6570016), (31, 4238720), (32, 4106260), (37, 3551360), (40, 3285008), (62, 2119360), (64, 2053130), (74, 1775680), (80, 1642504), (124, 1059680), (128, 1026565), (148, 887840), (155, 847744), (160, 821252), (179, 734080), (185, 710272), (248, 529840), (296, 443920), (310, 423872), (320, 410626), (358, 367040), (370, 355136), (496, 264920), (592, 221960), (620, 211936), (640, 205313), (716, 183520), (740, 177568), (895, 146816), (992, 132460), (1147, 114560), (1184, 110980), (1240, 105968), (1432, 91760), (1480, 88784), (1790, 73408), (1984, 66230), (2294, 57280), (2368, 55490), (2480, 52984), (2864, 45880), (2960, 44392), (3580, 36704), (3968, 33115), (4588, 28640), (4736, 27745), (4960, 26492), (5549, 23680), (5728, 22940), (5735, 22912), (5920, 22196), (6623, 19840), (7160, 18352), (9176, 14320), (9920, 13246), (11098, 11840), (11456, 11470)]