655202340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{280001}}^1$

素因数の和:280029

約数の個数: 72

約数和(自身を含む): 2140335288

約数和(自身を除く): 1485132948

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 280001, 560002, 840003, 1120004, 1400005, 1680006, 2520009, 2800010, 3360012, 3640013, 4200015, 5040018, 5600020, 7280026, 8400030, 10080036, 10920039, 12600045, 14560052, 16800060, 18200065, 21840078, 25200090, 32760117, 36400130, 43680156, 50400180, 54600195, 65520234, 72800260, 109200390, 131040468, 163800585, 218400780, 327601170, 655202340]

約数ペア:

[(1, 655202340), (2, 327601170), (3, 218400780), (4, 163800585), (5, 131040468), (6, 109200390), (9, 72800260), (10, 65520234), (12, 54600195), (13, 50400180), (15, 43680156), (18, 36400130), (20, 32760117), (26, 25200090), (30, 21840078), (36, 18200065), (39, 16800060), (45, 14560052), (52, 12600045), (60, 10920039), (65, 10080036), (78, 8400030), (90, 7280026), (117, 5600020), (130, 5040018), (156, 4200015), (180, 3640013), (195, 3360012), (234, 2800010), (260, 2520009), (390, 1680006), (468, 1400005), (585, 1120004), (780, 840003), (1170, 560002), (2340, 280001)]