31480260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{4409}}^1$

素因数の和:4445

約数の個数: 96

約数和(自身を含む): 106686720

約数和(自身を除く): 75206460

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 51, 60, 68, 70, 84, 85, 102, 105, 119, 140, 170, 204, 210, 238, 255, 340, 357, 420, 476, 510, 595, 714, 1020, 1190, 1428, 1785, 2380, 3570, 4409, 7140, 8818, 13227, 17636, 22045, 26454, 30863, 44090, 52908, 61726, 66135, 74953, 88180, 92589, 123452, 132270, 149906, 154315, 185178, 224859, 264540, 299812, 308630, 370356, 374765, 449718, 462945, 524671, 617260, 749530, 899436, 925890, 1049342, 1124295, 1499060, 1574013, 1851780, 2098684, 2248590, 2623355, 3148026, 4497180, 5246710, 6296052, 7870065, 10493420, 15740130, 31480260]

約数ペア:

[(1, 31480260), (2, 15740130), (3, 10493420), (4, 7870065), (5, 6296052), (6, 5246710), (7, 4497180), (10, 3148026), (12, 2623355), (14, 2248590), (15, 2098684), (17, 1851780), (20, 1574013), (21, 1499060), (28, 1124295), (30, 1049342), (34, 925890), (35, 899436), (42, 749530), (51, 617260), (60, 524671), (68, 462945), (70, 449718), (84, 374765), (85, 370356), (102, 308630), (105, 299812), (119, 264540), (140, 224859), (170, 185178), (204, 154315), (210, 149906), (238, 132270), (255, 123452), (340, 92589), (357, 88180), (420, 74953), (476, 66135), (510, 61726), (595, 52908), (714, 44090), (1020, 30863), (1190, 26454), (1428, 22045), (1785, 17636), (2380, 13227), (3570, 8818), (4409, 7140)]