831948720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{203909}}^1$

素因数の和:203942

約数の個数: 80

約数和(自身を含む): 2730762720

約数和(自身を除く): 1898814000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 204, 240, 255, 272, 340, 408, 510, 680, 816, 1020, 1360, 2040, 4080, 203909, 407818, 611727, 815636, 1019545, 1223454, 1631272, 2039090, 2446908, 3058635, 3262544, 3466453, 4078180, 4893816, 6117270, 6932906, 8156360, 9787632, 10399359, 12234540, 13865812, 16312720, 17332265, 20798718, 24469080, 27731624, 34664530, 41597436, 48938160, 51996795, 55463248, 69329060, 83194872, 103993590, 138658120, 166389744, 207987180, 277316240, 415974360, 831948720]

約数ペア:

[(1, 831948720), (2, 415974360), (3, 277316240), (4, 207987180), (5, 166389744), (6, 138658120), (8, 103993590), (10, 83194872), (12, 69329060), (15, 55463248), (16, 51996795), (17, 48938160), (20, 41597436), (24, 34664530), (30, 27731624), (34, 24469080), (40, 20798718), (48, 17332265), (51, 16312720), (60, 13865812), (68, 12234540), (80, 10399359), (85, 9787632), (102, 8156360), (120, 6932906), (136, 6117270), (170, 4893816), (204, 4078180), (240, 3466453), (255, 3262544), (272, 3058635), (340, 2446908), (408, 2039090), (510, 1631272), (680, 1223454), (816, 1019545), (1020, 815636), (1360, 611727), (2040, 407818), (4080, 203909)]