64244880

素因数分解:

$2^4\times 3^3\times 5^1\times 7^2\times {\mathrm{607}}^1$

素因数の和:643

約数の個数: 240

約数和(自身を含む): 257840640

約数和(自身を除く): 193595760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 49, 54, 56, 60, 63, 70, 72, 80, 84, 90, 98, 105, 108, 112, 120, 126, 135, 140, 144, 147, 168, 180, 189, 196, 210, 216, 240, 245, 252, 270, 280, 294, 315, 336, 360, 378, 392, 420, 432, 441, 490, 504, 540, 560, 588, 607, 630, 720, 735, 756, 784, 840, 882, 945, 980, 1008, 1080, 1176, 1214, 1260, 1323, 1470, 1512, 1680, 1764, 1821, 1890, 1960, 2160, 2205, 2352, 2428, 2520, 2646, 2940, 3024, 3035, 3528, 3642, 3780, 3920, 4249, 4410, 4856, 5040, 5292, 5463, 5880, 6070, 6615, 7056, 7284, 7560, 8498, 8820, 9105, 9712, 10584, 10926, 11760, 12140, 12747, 13230, 14568, 15120, 16389, 16996, 17640, 18210, 21168, 21245, 21852, 24280, 25494, 26460, 27315, 29136, 29743, 32778, 33992, 35280, 36420, 38241, 42490, 43704, 48560, 50988, 52920, 54630, 59486, 63735, 65556, 67984, 72840, 76482, 81945, 84980, 87408, 89229, 101976, 105840, 109260, 114723, 118972, 127470, 131112, 145680, 148715, 152964, 163890, 169960, 178458, 191205, 203952, 218520, 229446, 237944, 254940, 262224, 267687, 297430, 305928, 327780, 339920, 356916, 382410, 437040, 446145, 458892, 475888, 509880, 535374, 573615, 594860, 611856, 655560, 713832, 764820, 803061, 892290, 917784, 1019760, 1070748, 1147230, 1189720, 1311120, 1338435, 1427664, 1529640, 1606122, 1784580, 1835568, 2141496, 2294460, 2379440, 2676870, 3059280, 3212244, 3569160, 4015305, 4282992, 4588920, 5353740, 6424488, 7138320, 8030610, 9177840, 10707480, 12848976, 16061220, 21414960, 32122440, 64244880]

約数ペア:

[(1, 64244880), (2, 32122440), (3, 21414960), (4, 16061220), (5, 12848976), (6, 10707480), (7, 9177840), (8, 8030610), (9, 7138320), (10, 6424488), (12, 5353740), (14, 4588920), (15, 4282992), (16, 4015305), (18, 3569160), (20, 3212244), (21, 3059280), (24, 2676870), (27, 2379440), (28, 2294460), (30, 2141496), (35, 1835568), (36, 1784580), (40, 1606122), (42, 1529640), (45, 1427664), (48, 1338435), (49, 1311120), (54, 1189720), (56, 1147230), (60, 1070748), (63, 1019760), (70, 917784), (72, 892290), (80, 803061), (84, 764820), (90, 713832), (98, 655560), (105, 611856), (108, 594860), (112, 573615), (120, 535374), (126, 509880), (135, 475888), (140, 458892), (144, 446145), (147, 437040), (168, 382410), (180, 356916), (189, 339920), (196, 327780), (210, 305928), (216, 297430), (240, 267687), (245, 262224), (252, 254940), (270, 237944), (280, 229446), (294, 218520), (315, 203952), (336, 191205), (360, 178458), (378, 169960), (392, 163890), (420, 152964), (432, 148715), (441, 145680), (490, 131112), (504, 127470), (540, 118972), (560, 114723), (588, 109260), (607, 105840), (630, 101976), (720, 89229), (735, 87408), (756, 84980), (784, 81945), (840, 76482), (882, 72840), (945, 67984), (980, 65556), (1008, 63735), (1080, 59486), (1176, 54630), (1214, 52920), (1260, 50988), (1323, 48560), (1470, 43704), (1512, 42490), (1680, 38241), (1764, 36420), (1821, 35280), (1890, 33992), (1960, 32778), (2160, 29743), (2205, 29136), (2352, 27315), (2428, 26460), (2520, 25494), (2646, 24280), (2940, 21852), (3024, 21245), (3035, 21168), (3528, 18210), (3642, 17640), (3780, 16996), (3920, 16389), (4249, 15120), (4410, 14568), (4856, 13230), (5040, 12747), (5292, 12140), (5463, 11760), (5880, 10926), (6070, 10584), (6615, 9712), (7056, 9105), (7284, 8820), (7560, 8498)]