640288896

素因数分解:

$2^7\times 3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{2729}}^1$

素因数の和:2806

約数の個数: 128

約数和(自身を含む): 1871251200

約数和(自身を除く): 1230962304

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 47, 48, 52, 64, 78, 94, 96, 104, 128, 141, 156, 188, 192, 208, 282, 312, 376, 384, 416, 564, 611, 624, 752, 832, 1128, 1222, 1248, 1504, 1664, 1833, 2256, 2444, 2496, 2729, 3008, 3666, 4512, 4888, 4992, 5458, 6016, 7332, 8187, 9024, 9776, 10916, 14664, 16374, 18048, 19552, 21832, 29328, 32748, 35477, 39104, 43664, 58656, 65496, 70954, 78208, 87328, 106431, 117312, 128263, 130992, 141908, 174656, 212862, 234624, 256526, 261984, 283816, 349312, 384789, 425724, 513052, 523968, 567632, 769578, 851448, 1026104, 1047936, 1135264, 1539156, 1667419, 1702896, 2052208, 2270528, 3078312, 3334838, 3405792, 4104416, 4541056, 5002257, 6156624, 6669676, 6811584, 8208832, 10004514, 12313248, 13339352, 13623168, 16417664, 20009028, 24626496, 26678704, 40018056, 49252992, 53357408, 80036112, 106714816, 160072224, 213429632, 320144448, 640288896]

約数ペア:

[(1, 640288896), (2, 320144448), (3, 213429632), (4, 160072224), (6, 106714816), (8, 80036112), (12, 53357408), (13, 49252992), (16, 40018056), (24, 26678704), (26, 24626496), (32, 20009028), (39, 16417664), (47, 13623168), (48, 13339352), (52, 12313248), (64, 10004514), (78, 8208832), (94, 6811584), (96, 6669676), (104, 6156624), (128, 5002257), (141, 4541056), (156, 4104416), (188, 3405792), (192, 3334838), (208, 3078312), (282, 2270528), (312, 2052208), (376, 1702896), (384, 1667419), (416, 1539156), (564, 1135264), (611, 1047936), (624, 1026104), (752, 851448), (832, 769578), (1128, 567632), (1222, 523968), (1248, 513052), (1504, 425724), (1664, 384789), (1833, 349312), (2256, 283816), (2444, 261984), (2496, 256526), (2729, 234624), (3008, 212862), (3666, 174656), (4512, 141908), (4888, 130992), (4992, 128263), (5458, 117312), (6016, 106431), (7332, 87328), (8187, 78208), (9024, 70954), (9776, 65496), (10916, 58656), (14664, 43664), (16374, 39104), (18048, 35477), (19552, 32748), (21832, 29328)]