155427720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{4513}}^1$

素因数の和:4575

約数の個数: 128

約数和(自身を含む): 546013440

約数和(自身を除く): 390585720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 41, 42, 56, 60, 70, 82, 84, 105, 120, 123, 140, 164, 168, 205, 210, 246, 280, 287, 328, 410, 420, 492, 574, 615, 820, 840, 861, 984, 1148, 1230, 1435, 1640, 1722, 2296, 2460, 2870, 3444, 4305, 4513, 4920, 5740, 6888, 8610, 9026, 11480, 13539, 17220, 18052, 22565, 27078, 31591, 34440, 36104, 45130, 54156, 63182, 67695, 90260, 94773, 108312, 126364, 135390, 157955, 180520, 185033, 189546, 252728, 270780, 315910, 370066, 379092, 473865, 541560, 555099, 631820, 740132, 758184, 925165, 947730, 1110198, 1263640, 1295231, 1480264, 1850330, 1895460, 2220396, 2590462, 2775495, 3700660, 3790920, 3885693, 4440792, 5180924, 5550990, 6476155, 7401320, 7771386, 10361848, 11101980, 12952310, 15542772, 19428465, 22203960, 25904620, 31085544, 38856930, 51809240, 77713860, 155427720]

約数ペア:

[(1, 155427720), (2, 77713860), (3, 51809240), (4, 38856930), (5, 31085544), (6, 25904620), (7, 22203960), (8, 19428465), (10, 15542772), (12, 12952310), (14, 11101980), (15, 10361848), (20, 7771386), (21, 7401320), (24, 6476155), (28, 5550990), (30, 5180924), (35, 4440792), (40, 3885693), (41, 3790920), (42, 3700660), (56, 2775495), (60, 2590462), (70, 2220396), (82, 1895460), (84, 1850330), (105, 1480264), (120, 1295231), (123, 1263640), (140, 1110198), (164, 947730), (168, 925165), (205, 758184), (210, 740132), (246, 631820), (280, 555099), (287, 541560), (328, 473865), (410, 379092), (420, 370066), (492, 315910), (574, 270780), (615, 252728), (820, 189546), (840, 185033), (861, 180520), (984, 157955), (1148, 135390), (1230, 126364), (1435, 108312), (1640, 94773), (1722, 90260), (2296, 67695), (2460, 63182), (2870, 54156), (3444, 45130), (4305, 36104), (4513, 34440), (4920, 31591), (5740, 27078), (6888, 22565), (8610, 18052), (9026, 17220), (11480, 13539)]