218875680

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{8941}}^1$

素因数の和:8979

約数の個数: 144

約数和(自身を含む): 790937784

約数和(自身を除く): 572062104

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 32, 34, 36, 40, 45, 48, 51, 60, 68, 72, 80, 85, 90, 96, 102, 120, 136, 144, 153, 160, 170, 180, 204, 240, 255, 272, 288, 306, 340, 360, 408, 480, 510, 544, 612, 680, 720, 765, 816, 1020, 1224, 1360, 1440, 1530, 1632, 2040, 2448, 2720, 3060, 4080, 4896, 6120, 8160, 8941, 12240, 17882, 24480, 26823, 35764, 44705, 53646, 71528, 80469, 89410, 107292, 134115, 143056, 151997, 160938, 178820, 214584, 268230, 286112, 303994, 321876, 357640, 402345, 429168, 455991, 536460, 607988, 643752, 715280, 759985, 804690, 858336, 911982, 1072920, 1215976, 1287504, 1367973, 1430560, 1519970, 1609380, 1823964, 2145840, 2279955, 2431952, 2575008, 2735946, 3039940, 3218760, 3647928, 4291680, 4559910, 4863904, 5471892, 6079880, 6437520, 6839865, 7295856, 9119820, 10943784, 12159760, 12875040, 13679730, 14591712, 18239640, 21887568, 24319520, 27359460, 36479280, 43775136, 54718920, 72958560, 109437840, 218875680]

約数ペア:

[(1, 218875680), (2, 109437840), (3, 72958560), (4, 54718920), (5, 43775136), (6, 36479280), (8, 27359460), (9, 24319520), (10, 21887568), (12, 18239640), (15, 14591712), (16, 13679730), (17, 12875040), (18, 12159760), (20, 10943784), (24, 9119820), (30, 7295856), (32, 6839865), (34, 6437520), (36, 6079880), (40, 5471892), (45, 4863904), (48, 4559910), (51, 4291680), (60, 3647928), (68, 3218760), (72, 3039940), (80, 2735946), (85, 2575008), (90, 2431952), (96, 2279955), (102, 2145840), (120, 1823964), (136, 1609380), (144, 1519970), (153, 1430560), (160, 1367973), (170, 1287504), (180, 1215976), (204, 1072920), (240, 911982), (255, 858336), (272, 804690), (288, 759985), (306, 715280), (340, 643752), (360, 607988), (408, 536460), (480, 455991), (510, 429168), (544, 402345), (612, 357640), (680, 321876), (720, 303994), (765, 286112), (816, 268230), (1020, 214584), (1224, 178820), (1360, 160938), (1440, 151997), (1530, 143056), (1632, 134115), (2040, 107292), (2448, 89410), (2720, 80469), (3060, 71528), (4080, 53646), (4896, 44705), (6120, 35764), (8160, 26823), (8941, 24480), (12240, 17882)]