28489860

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{7537}}^1$

素因数の和:7562

約数の個数: 96

約数和(自身を含む): 101310720

約数和(自身を除く): 72820860

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 540, 630, 756, 945, 1260, 1890, 3780, 7537, 15074, 22611, 30148, 37685, 45222, 52759, 67833, 75370, 90444, 105518, 113055, 135666, 150740, 158277, 203499, 211036, 226110, 263795, 271332, 316554, 339165, 406998, 452220, 474831, 527590, 633108, 678330, 791385, 813996, 949662, 1017495, 1055180, 1356660, 1424493, 1582770, 1899324, 2034990, 2374155, 2848986, 3165540, 4069980, 4748310, 5697972, 7122465, 9496620, 14244930, 28489860]

約数ペア:

[(1, 28489860), (2, 14244930), (3, 9496620), (4, 7122465), (5, 5697972), (6, 4748310), (7, 4069980), (9, 3165540), (10, 2848986), (12, 2374155), (14, 2034990), (15, 1899324), (18, 1582770), (20, 1424493), (21, 1356660), (27, 1055180), (28, 1017495), (30, 949662), (35, 813996), (36, 791385), (42, 678330), (45, 633108), (54, 527590), (60, 474831), (63, 452220), (70, 406998), (84, 339165), (90, 316554), (105, 271332), (108, 263795), (126, 226110), (135, 211036), (140, 203499), (180, 158277), (189, 150740), (210, 135666), (252, 113055), (270, 105518), (315, 90444), (378, 75370), (420, 67833), (540, 52759), (630, 45222), (756, 37685), (945, 30148), (1260, 22611), (1890, 15074), (3780, 7537)]