27881280

素因数分解:

$2^6\times 3^3\times 5^1\times 7^1\times {\mathrm{461}}^1$

素因数の和:494

約数の個数: 224

約数和(自身を含む): 112654080

約数和(自身を除く): 84772800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 168, 180, 189, 192, 210, 216, 224, 240, 252, 270, 280, 288, 315, 320, 336, 360, 378, 420, 432, 448, 461, 480, 504, 540, 560, 576, 630, 672, 720, 756, 840, 864, 922, 945, 960, 1008, 1080, 1120, 1260, 1344, 1383, 1440, 1512, 1680, 1728, 1844, 1890, 2016, 2160, 2240, 2305, 2520, 2766, 2880, 3024, 3227, 3360, 3688, 3780, 4032, 4149, 4320, 4610, 5040, 5532, 6048, 6454, 6720, 6915, 7376, 7560, 8298, 8640, 9220, 9681, 10080, 11064, 12096, 12447, 12908, 13830, 14752, 15120, 16135, 16596, 18440, 19362, 20160, 20745, 22128, 24894, 25816, 27660, 29043, 29504, 30240, 32270, 33192, 36880, 38724, 41490, 44256, 48405, 49788, 51632, 55320, 58086, 60480, 62235, 64540, 66384, 73760, 77448, 82980, 87129, 88512, 96810, 99576, 103264, 110640, 116172, 124470, 129080, 132768, 145215, 147520, 154896, 165960, 174258, 193620, 199152, 206528, 221280, 232344, 248940, 258160, 265536, 290430, 309792, 331920, 348516, 387240, 398304, 435645, 442560, 464688, 497880, 516320, 580860, 619584, 663840, 697032, 774480, 796608, 871290, 929376, 995760, 1032640, 1161720, 1327680, 1394064, 1548960, 1742580, 1858752, 1991520, 2323440, 2788128, 3097920, 3485160, 3983040, 4646880, 5576256, 6970320, 9293760, 13940640, 27881280]

約数ペア:

[(1, 27881280), (2, 13940640), (3, 9293760), (4, 6970320), (5, 5576256), (6, 4646880), (7, 3983040), (8, 3485160), (9, 3097920), (10, 2788128), (12, 2323440), (14, 1991520), (15, 1858752), (16, 1742580), (18, 1548960), (20, 1394064), (21, 1327680), (24, 1161720), (27, 1032640), (28, 995760), (30, 929376), (32, 871290), (35, 796608), (36, 774480), (40, 697032), (42, 663840), (45, 619584), (48, 580860), (54, 516320), (56, 497880), (60, 464688), (63, 442560), (64, 435645), (70, 398304), (72, 387240), (80, 348516), (84, 331920), (90, 309792), (96, 290430), (105, 265536), (108, 258160), (112, 248940), (120, 232344), (126, 221280), (135, 206528), (140, 199152), (144, 193620), (160, 174258), (168, 165960), (180, 154896), (189, 147520), (192, 145215), (210, 132768), (216, 129080), (224, 124470), (240, 116172), (252, 110640), (270, 103264), (280, 99576), (288, 96810), (315, 88512), (320, 87129), (336, 82980), (360, 77448), (378, 73760), (420, 66384), (432, 64540), (448, 62235), (461, 60480), (480, 58086), (504, 55320), (540, 51632), (560, 49788), (576, 48405), (630, 44256), (672, 41490), (720, 38724), (756, 36880), (840, 33192), (864, 32270), (922, 30240), (945, 29504), (960, 29043), (1008, 27660), (1080, 25816), (1120, 24894), (1260, 22128), (1344, 20745), (1383, 20160), (1440, 19362), (1512, 18440), (1680, 16596), (1728, 16135), (1844, 15120), (1890, 14752), (2016, 13830), (2160, 12908), (2240, 12447), (2305, 12096), (2520, 11064), (2766, 10080), (2880, 9681), (3024, 9220), (3227, 8640), (3360, 8298), (3688, 7560), (3780, 7376), (4032, 6915), (4149, 6720), (4320, 6454), (4610, 6048), (5040, 5532)]