253080

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1$

素因数の和:73

約数の個数: 96

約数和(自身を含む): 889200

約数和(自身を除く): 636120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 37, 38, 40, 45, 57, 60, 72, 74, 76, 90, 95, 111, 114, 120, 148, 152, 171, 180, 185, 190, 222, 228, 285, 296, 333, 342, 360, 370, 380, 444, 456, 555, 570, 666, 684, 703, 740, 760, 855, 888, 1110, 1140, 1332, 1368, 1406, 1480, 1665, 1710, 2109, 2220, 2280, 2664, 2812, 3330, 3420, 3515, 4218, 4440, 5624, 6327, 6660, 6840, 7030, 8436, 10545, 12654, 13320, 14060, 16872, 21090, 25308, 28120, 31635, 42180, 50616, 63270, 84360, 126540, 253080]

約数ペア:

[(1, 253080), (2, 126540), (3, 84360), (4, 63270), (5, 50616), (6, 42180), (8, 31635), (9, 28120), (10, 25308), (12, 21090), (15, 16872), (18, 14060), (19, 13320), (20, 12654), (24, 10545), (30, 8436), (36, 7030), (37, 6840), (38, 6660), (40, 6327), (45, 5624), (57, 4440), (60, 4218), (72, 3515), (74, 3420), (76, 3330), (90, 2812), (95, 2664), (111, 2280), (114, 2220), (120, 2109), (148, 1710), (152, 1665), (171, 1480), (180, 1406), (185, 1368), (190, 1332), (222, 1140), (228, 1110), (285, 888), (296, 855), (333, 760), (342, 740), (360, 703), (370, 684), (380, 666), (444, 570), (456, 555)]