640213051872

素因数分解:

$2^5\times 3^1\times {\mathrm{37}}^1\times {\mathrm{487}}^1\times {\mathrm{370103}}^1$

素因数の和:370640

約数の個数: 96

約数和(自身を含む): 1729528561152

約数和(自身を除く): 1089315509280

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 37, 48, 74, 96, 111, 148, 222, 296, 444, 487, 592, 888, 974, 1184, 1461, 1776, 1948, 2922, 3552, 3896, 5844, 7792, 11688, 15584, 18019, 23376, 36038, 46752, 54057, 72076, 108114, 144152, 216228, 288304, 370103, 432456, 576608, 740206, 864912, 1110309, 1480412, 1729824, 2220618, 2960824, 4441236, 5921648, 8882472, 11843296, 13693811, 17764944, 27387622, 35529888, 41081433, 54775244, 82162866, 109550488, 164325732, 180240161, 219100976, 328651464, 360480322, 438201952, 540720483, 657302928, 720960644, 1081440966, 1314605856, 1441921288, 2162881932, 2883842576, 4325763864, 5767685152, 6668885957, 8651527728, 13337771914, 17303055456, 20006657871, 26675543828, 40013315742, 53351087656, 80026631484, 106702175312, 160053262968, 213404350624, 320106525936, 640213051872]

約数ペア:

[(1, 640213051872), (2, 320106525936), (3, 213404350624), (4, 160053262968), (6, 106702175312), (8, 80026631484), (12, 53351087656), (16, 40013315742), (24, 26675543828), (32, 20006657871), (37, 17303055456), (48, 13337771914), (74, 8651527728), (96, 6668885957), (111, 5767685152), (148, 4325763864), (222, 2883842576), (296, 2162881932), (444, 1441921288), (487, 1314605856), (592, 1081440966), (888, 720960644), (974, 657302928), (1184, 540720483), (1461, 438201952), (1776, 360480322), (1948, 328651464), (2922, 219100976), (3552, 180240161), (3896, 164325732), (5844, 109550488), (7792, 82162866), (11688, 54775244), (15584, 41081433), (18019, 35529888), (23376, 27387622), (36038, 17764944), (46752, 13693811), (54057, 11843296), (72076, 8882472), (108114, 5921648), (144152, 4441236), (216228, 2960824), (288304, 2220618), (370103, 1729824), (432456, 1480412), (576608, 1110309), (740206, 864912)]