204861420

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{487}}^1$

素因数の和:565

約数の個数: 192

約数和(自身を含む): 688665600

約数和(自身を除く): 483804180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 41, 45, 54, 57, 60, 76, 82, 90, 95, 108, 114, 123, 135, 164, 171, 180, 190, 205, 228, 246, 270, 285, 342, 369, 380, 410, 487, 492, 513, 540, 570, 615, 684, 738, 779, 820, 855, 974, 1026, 1107, 1140, 1230, 1461, 1476, 1558, 1710, 1845, 1948, 2052, 2214, 2337, 2435, 2460, 2565, 2922, 3116, 3420, 3690, 3895, 4383, 4428, 4674, 4870, 5130, 5535, 5844, 7011, 7305, 7380, 7790, 8766, 9253, 9348, 9740, 10260, 11070, 11685, 13149, 14022, 14610, 15580, 17532, 18506, 19967, 21033, 21915, 22140, 23370, 26298, 27759, 28044, 29220, 35055, 37012, 39934, 42066, 43830, 46265, 46740, 52596, 55518, 59901, 65745, 70110, 79868, 83277, 84132, 87660, 92530, 99835, 105165, 111036, 119802, 131490, 138795, 140220, 166554, 179703, 185060, 199670, 210330, 239604, 249831, 262980, 277590, 299505, 333108, 359406, 379373, 399340, 416385, 420660, 499662, 539109, 555180, 599010, 718812, 758746, 832770, 898515, 999324, 1078218, 1138119, 1198020, 1249155, 1517492, 1665540, 1797030, 1896865, 2156436, 2276238, 2498310, 2695545, 3414357, 3594060, 3793730, 4552476, 4996620, 5391090, 5690595, 6828714, 7587460, 10243071, 10782180, 11381190, 13657428, 17071785, 20486142, 22762380, 34143570, 40972284, 51215355, 68287140, 102430710, 204861420]

約数ペア:

[(1, 204861420), (2, 102430710), (3, 68287140), (4, 51215355), (5, 40972284), (6, 34143570), (9, 22762380), (10, 20486142), (12, 17071785), (15, 13657428), (18, 11381190), (19, 10782180), (20, 10243071), (27, 7587460), (30, 6828714), (36, 5690595), (38, 5391090), (41, 4996620), (45, 4552476), (54, 3793730), (57, 3594060), (60, 3414357), (76, 2695545), (82, 2498310), (90, 2276238), (95, 2156436), (108, 1896865), (114, 1797030), (123, 1665540), (135, 1517492), (164, 1249155), (171, 1198020), (180, 1138119), (190, 1078218), (205, 999324), (228, 898515), (246, 832770), (270, 758746), (285, 718812), (342, 599010), (369, 555180), (380, 539109), (410, 499662), (487, 420660), (492, 416385), (513, 399340), (540, 379373), (570, 359406), (615, 333108), (684, 299505), (738, 277590), (779, 262980), (820, 249831), (855, 239604), (974, 210330), (1026, 199670), (1107, 185060), (1140, 179703), (1230, 166554), (1461, 140220), (1476, 138795), (1558, 131490), (1710, 119802), (1845, 111036), (1948, 105165), (2052, 99835), (2214, 92530), (2337, 87660), (2435, 84132), (2460, 83277), (2565, 79868), (2922, 70110), (3116, 65745), (3420, 59901), (3690, 55518), (3895, 52596), (4383, 46740), (4428, 46265), (4674, 43830), (4870, 42066), (5130, 39934), (5535, 37012), (5844, 35055), (7011, 29220), (7305, 28044), (7380, 27759), (7790, 26298), (8766, 23370), (9253, 22140), (9348, 21915), (9740, 21033), (10260, 19967), (11070, 18506), (11685, 17532), (13149, 15580), (14022, 14610)]