642265680

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{5237}}^1$

素因数の和:5333

約数の個数: 160

約数和(自身を含む): 2307066624

約数和(自身を除く): 1664800944

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 73, 80, 84, 105, 112, 120, 140, 146, 168, 210, 219, 240, 280, 292, 336, 365, 420, 438, 511, 560, 584, 730, 840, 876, 1022, 1095, 1168, 1460, 1533, 1680, 1752, 2044, 2190, 2555, 2920, 3066, 3504, 4088, 4380, 5110, 5237, 5840, 6132, 7665, 8176, 8760, 10220, 10474, 12264, 15330, 15711, 17520, 20440, 20948, 24528, 26185, 30660, 31422, 36659, 40880, 41896, 52370, 61320, 62844, 73318, 78555, 83792, 104740, 109977, 122640, 125688, 146636, 157110, 183295, 209480, 219954, 251376, 293272, 314220, 366590, 382301, 418960, 439908, 549885, 586544, 628440, 733180, 764602, 879816, 1099770, 1146903, 1256880, 1466360, 1529204, 1759632, 1911505, 2199540, 2293806, 2676107, 2932720, 3058408, 3823010, 4399080, 4587612, 5352214, 5734515, 6116816, 7646020, 8028321, 8798160, 9175224, 10704428, 11469030, 13380535, 15292040, 16056642, 18350448, 21408856, 22938060, 26761070, 30584080, 32113284, 40141605, 42817712, 45876120, 53522140, 64226568, 80283210, 91752240, 107044280, 128453136, 160566420, 214088560, 321132840, 642265680]

約数ペア:

[(1, 642265680), (2, 321132840), (3, 214088560), (4, 160566420), (5, 128453136), (6, 107044280), (7, 91752240), (8, 80283210), (10, 64226568), (12, 53522140), (14, 45876120), (15, 42817712), (16, 40141605), (20, 32113284), (21, 30584080), (24, 26761070), (28, 22938060), (30, 21408856), (35, 18350448), (40, 16056642), (42, 15292040), (48, 13380535), (56, 11469030), (60, 10704428), (70, 9175224), (73, 8798160), (80, 8028321), (84, 7646020), (105, 6116816), (112, 5734515), (120, 5352214), (140, 4587612), (146, 4399080), (168, 3823010), (210, 3058408), (219, 2932720), (240, 2676107), (280, 2293806), (292, 2199540), (336, 1911505), (365, 1759632), (420, 1529204), (438, 1466360), (511, 1256880), (560, 1146903), (584, 1099770), (730, 879816), (840, 764602), (876, 733180), (1022, 628440), (1095, 586544), (1168, 549885), (1460, 439908), (1533, 418960), (1680, 382301), (1752, 366590), (2044, 314220), (2190, 293272), (2555, 251376), (2920, 219954), (3066, 209480), (3504, 183295), (4088, 157110), (4380, 146636), (5110, 125688), (5237, 122640), (5840, 109977), (6132, 104740), (7665, 83792), (8176, 78555), (8760, 73318), (10220, 62844), (10474, 61320), (12264, 52370), (15330, 41896), (15711, 40880), (17520, 36659), (20440, 31422), (20948, 30660), (24528, 26185)]