204195420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{7933}}^1$

素因数の和:7972

約数の個数: 144

約数和(自身を含む): 727769952

約数和(自身を除く): 523574532

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 13, 15, 18, 20, 22, 26, 30, 33, 36, 39, 44, 45, 52, 55, 60, 65, 66, 78, 90, 99, 110, 117, 130, 132, 143, 156, 165, 180, 195, 198, 220, 234, 260, 286, 330, 390, 396, 429, 468, 495, 572, 585, 660, 715, 780, 858, 990, 1170, 1287, 1430, 1716, 1980, 2145, 2340, 2574, 2860, 4290, 5148, 6435, 7933, 8580, 12870, 15866, 23799, 25740, 31732, 39665, 47598, 71397, 79330, 87263, 95196, 103129, 118995, 142794, 158660, 174526, 206258, 237990, 261789, 285588, 309387, 349052, 356985, 412516, 436315, 475980, 515645, 523578, 618774, 713970, 785367, 872630, 928161, 1031290, 1047156, 1134419, 1237548, 1308945, 1427940, 1546935, 1570734, 1745260, 1856322, 2062580, 2268838, 2617890, 3093870, 3141468, 3403257, 3712644, 3926835, 4537676, 4640805, 5235780, 5672095, 6187740, 6806514, 7853670, 9281610, 10209771, 11344190, 13613028, 15707340, 17016285, 18563220, 20419542, 22688380, 34032570, 40839084, 51048855, 68065140, 102097710, 204195420]

約数ペア:

[(1, 204195420), (2, 102097710), (3, 68065140), (4, 51048855), (5, 40839084), (6, 34032570), (9, 22688380), (10, 20419542), (11, 18563220), (12, 17016285), (13, 15707340), (15, 13613028), (18, 11344190), (20, 10209771), (22, 9281610), (26, 7853670), (30, 6806514), (33, 6187740), (36, 5672095), (39, 5235780), (44, 4640805), (45, 4537676), (52, 3926835), (55, 3712644), (60, 3403257), (65, 3141468), (66, 3093870), (78, 2617890), (90, 2268838), (99, 2062580), (110, 1856322), (117, 1745260), (130, 1570734), (132, 1546935), (143, 1427940), (156, 1308945), (165, 1237548), (180, 1134419), (195, 1047156), (198, 1031290), (220, 928161), (234, 872630), (260, 785367), (286, 713970), (330, 618774), (390, 523578), (396, 515645), (429, 475980), (468, 436315), (495, 412516), (572, 356985), (585, 349052), (660, 309387), (715, 285588), (780, 261789), (858, 237990), (990, 206258), (1170, 174526), (1287, 158660), (1430, 142794), (1716, 118995), (1980, 103129), (2145, 95196), (2340, 87263), (2574, 79330), (2860, 71397), (4290, 47598), (5148, 39665), (6435, 31732), (7933, 25740), (8580, 23799), (12870, 15866)]