51480780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{5077}}^1$

素因数の和:5115

約数の個数: 72

約数和(自身を含む): 156118032

約数和(自身を除く): 104637252

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 169, 195, 260, 338, 390, 507, 676, 780, 845, 1014, 1690, 2028, 2535, 3380, 5070, 5077, 10140, 10154, 15231, 20308, 25385, 30462, 50770, 60924, 66001, 76155, 101540, 132002, 152310, 198003, 264004, 304620, 330005, 396006, 660010, 792012, 858013, 990015, 1320020, 1716026, 1980030, 2574039, 3432052, 3960060, 4290065, 5148078, 8580130, 10296156, 12870195, 17160260, 25740390, 51480780]

約数ペア:

[(1, 51480780), (2, 25740390), (3, 17160260), (4, 12870195), (5, 10296156), (6, 8580130), (10, 5148078), (12, 4290065), (13, 3960060), (15, 3432052), (20, 2574039), (26, 1980030), (30, 1716026), (39, 1320020), (52, 990015), (60, 858013), (65, 792012), (78, 660010), (130, 396006), (156, 330005), (169, 304620), (195, 264004), (260, 198003), (338, 152310), (390, 132002), (507, 101540), (676, 76155), (780, 66001), (845, 60924), (1014, 50770), (1690, 30462), (2028, 25385), (2535, 20308), (3380, 15231), (5070, 10154), (5077, 10140)]