128758240

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{601}}^1$

素因数の和:732

約数の個数: 96

約数和(自身を含む): 331321536

約数和(自身を除く): 202563296

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 103, 104, 130, 160, 206, 208, 260, 412, 416, 515, 520, 601, 824, 1030, 1040, 1202, 1339, 1648, 2060, 2080, 2404, 2678, 3005, 3296, 4120, 4808, 5356, 6010, 6695, 7813, 8240, 9616, 10712, 12020, 13390, 15626, 16480, 19232, 21424, 24040, 26780, 31252, 39065, 42848, 48080, 53560, 61903, 62504, 78130, 96160, 107120, 123806, 125008, 156260, 214240, 247612, 250016, 309515, 312520, 495224, 619030, 625040, 804739, 990448, 1238060, 1250080, 1609478, 1980896, 2476120, 3218956, 4023695, 4952240, 6437912, 8047390, 9904480, 12875824, 16094780, 25751648, 32189560, 64379120, 128758240]

約数ペア:

[(1, 128758240), (2, 64379120), (4, 32189560), (5, 25751648), (8, 16094780), (10, 12875824), (13, 9904480), (16, 8047390), (20, 6437912), (26, 4952240), (32, 4023695), (40, 3218956), (52, 2476120), (65, 1980896), (80, 1609478), (103, 1250080), (104, 1238060), (130, 990448), (160, 804739), (206, 625040), (208, 619030), (260, 495224), (412, 312520), (416, 309515), (515, 250016), (520, 247612), (601, 214240), (824, 156260), (1030, 125008), (1040, 123806), (1202, 107120), (1339, 96160), (1648, 78130), (2060, 62504), (2080, 61903), (2404, 53560), (2678, 48080), (3005, 42848), (3296, 39065), (4120, 31252), (4808, 26780), (5356, 24040), (6010, 21424), (6695, 19232), (7813, 16480), (8240, 15626), (9616, 13390), (10712, 12020)]