180975760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{233}}^1$

素因数の和:345

約数の個数: 160

約数和(自身を含む): 515324160

約数和(自身を除く): 334348400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 73, 76, 80, 95, 112, 133, 140, 146, 152, 190, 233, 266, 280, 292, 304, 365, 380, 466, 511, 532, 560, 584, 665, 730, 760, 932, 1022, 1064, 1165, 1168, 1330, 1387, 1460, 1520, 1631, 1864, 2044, 2128, 2330, 2555, 2660, 2774, 2920, 3262, 3728, 4088, 4427, 4660, 5110, 5320, 5548, 5840, 6524, 6935, 8155, 8176, 8854, 9320, 9709, 10220, 10640, 11096, 13048, 13870, 16310, 17009, 17708, 18640, 19418, 20440, 22135, 22192, 26096, 27740, 30989, 32620, 34018, 35416, 38836, 40880, 44270, 48545, 55480, 61978, 65240, 68036, 70832, 77672, 85045, 88540, 97090, 110960, 119063, 123956, 130480, 136072, 154945, 155344, 170090, 177080, 194180, 238126, 247912, 272144, 309890, 323171, 340180, 354160, 388360, 476252, 495824, 595315, 619780, 646342, 680360, 776720, 952504, 1190630, 1239560, 1292684, 1360720, 1615855, 1905008, 2262197, 2381260, 2479120, 2585368, 3231710, 4524394, 4762520, 5170736, 6463420, 9048788, 9525040, 11310985, 12926840, 18097576, 22621970, 25853680, 36195152, 45243940, 90487880, 180975760]

約数ペア:

[(1, 180975760), (2, 90487880), (4, 45243940), (5, 36195152), (7, 25853680), (8, 22621970), (10, 18097576), (14, 12926840), (16, 11310985), (19, 9525040), (20, 9048788), (28, 6463420), (35, 5170736), (38, 4762520), (40, 4524394), (56, 3231710), (70, 2585368), (73, 2479120), (76, 2381260), (80, 2262197), (95, 1905008), (112, 1615855), (133, 1360720), (140, 1292684), (146, 1239560), (152, 1190630), (190, 952504), (233, 776720), (266, 680360), (280, 646342), (292, 619780), (304, 595315), (365, 495824), (380, 476252), (466, 388360), (511, 354160), (532, 340180), (560, 323171), (584, 309890), (665, 272144), (730, 247912), (760, 238126), (932, 194180), (1022, 177080), (1064, 170090), (1165, 155344), (1168, 154945), (1330, 136072), (1387, 130480), (1460, 123956), (1520, 119063), (1631, 110960), (1864, 97090), (2044, 88540), (2128, 85045), (2330, 77672), (2555, 70832), (2660, 68036), (2774, 65240), (2920, 61978), (3262, 55480), (3728, 48545), (4088, 44270), (4427, 40880), (4660, 38836), (5110, 35416), (5320, 34018), (5548, 32620), (5840, 30989), (6524, 27740), (6935, 26096), (8155, 22192), (8176, 22135), (8854, 20440), (9320, 19418), (9709, 18640), (10220, 17708), (10640, 17009), (11096, 16310), (13048, 13870)]