18408720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{367}}^1$

素因数の和:413

約数の個数: 160

約数和(自身を含む): 65710080

約数和(自身を除く): 47301360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 19, 20, 22, 24, 30, 33, 38, 40, 44, 48, 55, 57, 60, 66, 76, 80, 88, 95, 110, 114, 120, 132, 152, 165, 176, 190, 209, 220, 228, 240, 264, 285, 304, 330, 367, 380, 418, 440, 456, 528, 570, 627, 660, 734, 760, 836, 880, 912, 1045, 1101, 1140, 1254, 1320, 1468, 1520, 1672, 1835, 2090, 2202, 2280, 2508, 2640, 2936, 3135, 3344, 3670, 4037, 4180, 4404, 4560, 5016, 5505, 5872, 6270, 6973, 7340, 8074, 8360, 8808, 10032, 11010, 12111, 12540, 13946, 14680, 16148, 16720, 17616, 20185, 20919, 22020, 24222, 25080, 27892, 29360, 32296, 34865, 40370, 41838, 44040, 48444, 50160, 55784, 60555, 64592, 69730, 76703, 80740, 83676, 88080, 96888, 104595, 111568, 121110, 139460, 153406, 161480, 167352, 193776, 209190, 230109, 242220, 278920, 306812, 322960, 334704, 383515, 418380, 460218, 484440, 557840, 613624, 767030, 836760, 920436, 968880, 1150545, 1227248, 1534060, 1673520, 1840872, 2301090, 3068120, 3681744, 4602180, 6136240, 9204360, 18408720]

約数ペア:

[(1, 18408720), (2, 9204360), (3, 6136240), (4, 4602180), (5, 3681744), (6, 3068120), (8, 2301090), (10, 1840872), (11, 1673520), (12, 1534060), (15, 1227248), (16, 1150545), (19, 968880), (20, 920436), (22, 836760), (24, 767030), (30, 613624), (33, 557840), (38, 484440), (40, 460218), (44, 418380), (48, 383515), (55, 334704), (57, 322960), (60, 306812), (66, 278920), (76, 242220), (80, 230109), (88, 209190), (95, 193776), (110, 167352), (114, 161480), (120, 153406), (132, 139460), (152, 121110), (165, 111568), (176, 104595), (190, 96888), (209, 88080), (220, 83676), (228, 80740), (240, 76703), (264, 69730), (285, 64592), (304, 60555), (330, 55784), (367, 50160), (380, 48444), (418, 44040), (440, 41838), (456, 40370), (528, 34865), (570, 32296), (627, 29360), (660, 27892), (734, 25080), (760, 24222), (836, 22020), (880, 20919), (912, 20185), (1045, 17616), (1101, 16720), (1140, 16148), (1254, 14680), (1320, 13946), (1468, 12540), (1520, 12111), (1672, 11010), (1835, 10032), (2090, 8808), (2202, 8360), (2280, 8074), (2508, 7340), (2640, 6973), (2936, 6270), (3135, 5872), (3344, 5505), (3670, 5016), (4037, 4560), (4180, 4404)]